The discharge line must be the same size as the valve outlet, and must pitch downward from the valve to a safe place for disposal.

排泄管道必须与安全阀出口具有相同的口径,必须从安全阀的下方接到安全排放地点。

属类：产品说明书-热水器说明-

Other managers would argue that idle capacity combined with an opportunity cost of zero, or near to zero, calls for a negotiation of the transfer price downward from prevailing market rates.

其他经理人则认为既然闲置生产能力的机会成本为0,或接近于0,因而应协议将市价调低作为转移价格。

属类：经济金融-会计学-

The rapid downward motion of the fuselage is stopped by the impact through the landing gear

起落架与地面的撞击阻止了机身迅速地向下运动。

属类：综合句库--

Keen, poignant agonies seemed to shoot from his neck downward

强烈而痛苦的疼痛似乎从他的脖子直往下蔓延

属类：综合句库--

Blue veins stand out in his neck, and there is a murderous look on his face with its raised eyebrows and downward curling lips.

青筋露起的脖颈，满面杀气的面孔，眉目上挑，嘴角下撇

属类：社会文化-工艺-泥人

A downward inclination or slope.

倾斜向下的倾斜或斜坡

属类：综合句库--

The crankshaft is a one-piece casting or forging of heat treated alloy steel of considerable mechanical strength. The crankshaft must be strong enough to take the downward thrusts of the pistons during the power strokes without excessive distortion.

曲轴是由合金钢铸造或锻造,经过热处理,具有一定的机械强度的整体结构。曲轴必须具有足够的强度,以承受活塞在做功行程期间向下运动产生的冲力,而不会产生过度的扭曲。

属类：工程技术-汽车-

Prices with a downward tendency

趋向下降的价格

属类：综合句库--

Let us settle ourselves, and work and wedge our feet downward through the mud and slush of opinion

让我们安定下来工作，踏过舆论的污泥浊水。

属类：综合句库--

The molten lava got into every nook and cranny on its downward path.

熔岩向下流动时，无缝不钻，无孔不入。

属类：综合句库--

Like hillocks of sand, the Arabs say, soft and downward -slipping with a long slope. Here the life still lingered hoping. But here too she was thinner, and going unripe, astringent.

如阿拉伯人说的,那象是些沙丘,柔和地、成长坡地下降。生命在这儿还带着一些希望,但是这儿也一样,她是比以前消瘦了,不成熟了,而且有点涩苦了。

属类：文学表达-英语名著-

The lower portion of a pier may be widened to better distribute the downward pressure of a massive overlying structure.

若加宽墩的下部，能更好地分配来自于上部建筑结构的压力。

属类：工程技术-建筑-

The upper stem is threaded into the diaphragm retainer nut. When the handwheel is rotated to the closed position the upper stem pushes on the diaphragms, which deflect downward , forcing the lower stem against the valve seat.

上阀杆通过丝口旋在横膈膜止动螺母里。当手轮旋转到关闭位置，上阀杆推动横膈膜，横膈膜下垂，迫使下阀杆接触阀座。

属类：产品说明书-产品安全-

Rooted vegetation takes water upward and sunlight downward .

生根的植物从下往上吸收水分，从上往下吸收阳光。

属类：综合句库--

To cause to roll onward or downward .

使滚向前(或向下)引起向前或向下流动

属类：综合句库--

From the higher point on the table the water moves laterally, vertically, or obliquely downward

水从水面的高处倾向、垂向或斜向地向下流动。

属类：综合句库--

That downward , headlong, follow the wind. ...In spite of grey grasses, Tartar horses are plump;

随风满地石乱走。匈奴草黄马正肥

属类：文学表达-中文诗词-唐诗

He looked downward to avoid my eyes.

他低着头看,以避开我的目光。

属类：综合句库--

He was lying face downward on the pavement.

他脸朝下趴在人行道上。

属类：综合句库--

In the article he noted that their economy is still on its downward slide.

他在文章中指出他们的经济仍在走下坡路。

属类：综合句库--

They are attached between the rear-axle housing and the car frame and permit upward or downward movement of the axle housing with respect to the car frame. They prevent side movement or forward and backward movement.

它们安装在车桥和车架之间,并允许后桥壳相对于车架上下运动,防止向一侧或向前、向后的运动。

属类：工程技术-汽车-

Normally, gas can be withdrawn from the rear of the trailer with all dip tubes oriented upward (to the vapor phase). Liquid can be withdrawn from the front of the trailer where the dip tubes will be oriented downward into the liquid phase.

通常所有汲取管朝上(以接触气相)，从拖车的后部提取气体。可以从拖车的前部提取液体。在前部，汲取管向下伸入到液相里。

属类：产品说明书-产品安全-

Unlike a vault, the truss exerts no thrust but only downward pressure; supporting walls require no buttressing or extra thickening.

同拱顶不同的是桁架不承担推力而只承担向下的压力，不需要扶壁或其它特别的加固物来支撑墙体。

属类：工程技术-建筑-

Figure 10-4 represents a fluid in a cylinder provided with a piston, on which is exerted a downward force

图10-4表示一内贮液体的圆筒，圆筒上面配有密闭活塞，并有一向下的压力作用在该活塞上。

属类：综合句库--

A faucet with a nozzle that is bent downward ;a bibb.

弯嘴龙头一种带有向下弯曲的喷嘴的龙头;龙头

属类：综合句库--

The decline of literature indicates the decline of a nation; the two keep pace in their downward tendency.--Wolfgang Von Goethe

文学的衰落表明一个民族的衰落;这两者在走下坡路的时候是齐头并进的。--歌德

属类：习语名句-名人名言-文化篇

as we know, an average person has an I. Q. of about 100, while retarded children range from 75 downward . Most of the children were born with limited mental capacity because of problems in the birth process.

我们知道，一个正常人的智商为100左右，而弱智儿童的智商只有75或者低于这个数值。大多数弱智儿童由于在出生过程中出现问题而造成智力方面的缺陷。

属类：行业术语-教育-中国教育介绍

My mother found me floating face downward and I was saved by artificial respiration.

我母亲发现我脸朝下浮在水上，通过人工呼吸我得救了。

属类：综合句库--

How funny it’ll seem to come out among the people that walk with their heads downward !

我想这叫做‘对称人’(19世纪中学地理教科书上流行个名洞，叫“对跖人”，意思是说地球直径两端的人，脚心对着脚心。

属类：综合句库--

I slipped and began to plummet downward "Hold on"Came the cry.

我一滑，开始往下陷，有人叫道:“坚持住!”

属类：综合句库--