derrick ,well-drilling ,not mounted on lorries

钻井架,未安在载货汽车上

属类：物品名称-机械设备-

The noise of the drilling is intolerable.

钻孔的噪音让人受不了。

属类：综合句库--

drilling machine (excl. hand-held),for wood cork,bone,hard rubber,hard plastics or similar hard materials

钻孔机(手持式除外),用于加工木料、软木、骨料,硬质橡胶、硬质塑料或其他类似硬质材料

属类：物品名称-机械设备-

drilling jar for well-drilling machines

钻孔罩,钻井机用

属类：物品名称-机械设备-

Drilling would be in the upper layer. The silty material taken out would leave a cavity which would eventually close

钻孔只在表层,吸出淤泥物质后将会留下一个空洞,而空洞最终将会封闭。

属类：综合句库--

Specification for operating of drilling ,pitting and trenching

钻探、井、槽探操作规程

属类：行业标准名称-技术规范-工程建设

drill ,interchangeable,of base metal,for hand or machine tolls (excl. those for rock drilling or earth boring)

钻头,可互换式,贱金属制,手工具或机床用(不包括凿岩或钻土用钻机)

属类：物品名称-五金用品-

Average cost of drilling a well over $ 300 000; actual cost can go over $ 8 000 000.

钻一口井的平均成本要30多万美元;实际成本可能超过800万美元。

属类：应用文体-读书笔记-

The average cost of drilling an oil well is over $ 300,000, and drilling a single well may cost over $ 8,000,000!

钻一口油井的平均成本要30多万美元,而单钻一口可能要达800万美元。

属类：应用文体-读书笔记-

In drilling an oil well, mud is used to lubricate the cutting bit.

钻油井时,泥浆被用来润滑钻头。

属类：综合句库--