Fasteners--Countersinks for countersunk head screws

紧固件沉头用沉孔

属类：行业标准名称-国家标准名-GB/T152.2-1988

Fasteners--Counterbores for hexagon socket head screws and slotted cheese head screws

紧固件圆柱头用沉孔

属类：行业标准名称-国家标准名-GB/T152.3-1988

Clean the playback/recording head a, erasure head b, pinchrollers c, and capstans d, regularly (every 10 hours of use)for optimum sound quality. Use a cotton swab e lightly moistened with cleaning fluid or denatured alcohol.

经常清洁放音/录音磁头a,抹音磁头B,紧带轮c,和主动轮d(每使用10小时),以保持最佳的音质。可用棉棒e轻沾清洁剂或酒精清洁之。

属类：产品说明书--

Please open L/C advising through Bank of Head Office.

开发信用证请经由银行XX总行通知本公司。

属类：法学专业--

Effect test procedure of front bumper for bus--Head -on collision with fixed wall

客车前保险杠效能试验方法正面固定式障壁碰撞试验

属类：行业标准名称-国家标准名-GB/T11382-1989

pit-head frame of iron or steel

矿井口框架,铁或钢制

属类：物品名称-建筑-

Head of Sub-office in Hong Kong, United Nations High Commissioner for Refugees

联合国难民事务高级专员署香港办事处处长

属类：社会文化-入境事务-

The horse tossed its head .

马扬起了头。

属类：综合句库--

have an old head on young shoulders

年轻而识广; 少年老成

属类：简明英汉词典--

sprayer or sprinkler head for spraying machines and mechanical appliances

喷雾机器及机械器具的喷雾头或喷水头

属类：物品名称-机械设备-

cylinder head for internal combustion aircraft engines

气缸盖,航空内燃机用

属类：物品名称-机械设备-

cylinder head for spark ignition internal combustion engines (excl. aircraft)

气缸盖,用于火花点燃式内燃机(不包括航空用内燃机)

属类：物品名称-机械设备-

cylinder head for compression-ignition internal combustion engines (excl. aircraft)

气缸盖,用于压燃式内燃机(不包括航空用内燃机)

属类：物品名称-机械设备-

Cross recessed hexagon head tapping screw with indentation and plain washer assemblies

十字槽凹穴六角头自攻螺钉和平垫圈组合件

属类：行业标准名称-国家标准名-GB/T9074.20-1988