During the oil-gas well drilling process there is plenty of water from drilling polluting the environment.

The synthetic method of potassium methyl silicate and its application in oil-well drilling were investigated.

研究了甲基硅酸钾的合成方法及其在油田钻井中的应用.

Well drilling technology is the key for securing quality of water supply wells.

成井工艺是保证供水井质量的关键工艺.

Chinese workers used the ancient Chinese well-drilling method in the railroad construction to settle problems.

这是当时华工运用的在筑路中解决了大难题的中国古代钻井法.

Therefore lost circulation has always been an urgent technical problem in the process of well drilling.

所以,井漏一直是钻井工作中亟需解决的技术难题.

It provides reference for similar well drilling operations.

旨在为类似地层钻井作业提供参考.

In well-drilling project, corrosion of drill steel and pipeline is ubiquitous phenomena.

油田钻具和管道系统腐蚀是油田工程中普遍存在的问题.

In the directional well ( well ) drilling meet those difficulties?

在定向井 ( 水平井 ) 钻井中会遇到那些困难?

The jet action can largely improve ROP during oil gas well drilling.

在油气井钻进过程中,射流对井底的作用可大幅度提高钻速.

We have to drive from Beijing.

我们得从北京开车去.

Well, we have to drive from Beijing.

哦, 我们得从北京开车去.

A Well, we have to drive from Beijing.

A哦, 我们得从北京开车去.

About half-an-hour's drive from your hotel.

从你的宾馆坐车大约要半个小时.

Beidaihe is a beautiful place about two hour's drive from Beijing.

北戴河是处美丽的地方,距离北京有两小时的车程.

The airport is only a 40 minute drive from their hotel.

从他们的酒店前往机场仅需40分钟的车程.

The drive from San Diego to Los Angeles took 4 hours.

从圣地亚哥到洛杉矶开了4个小时的车.

Alnwick is also just a 30-minute drive from Newcastle.

阿尼克离纽卡斯尔也只有 半 小时的车程.

The hospital is about two hours drive from here.

从这儿去医院大概要花两小时的车程.

The Element is available with front-wheel drive or Honda's optional Real Time? four-wheel drive system.

The元素可与舱壁前 轮驱动 或本田的可选? 实时四 轮驱动 系统.

It has a dual drive system.

它有双驱动系统.

Type DJJ 1 high-speed EMU uses advanced AC drive system of the world.

在广深铁路已投入商业运营的DJJ1型高速交流传动高速电动车组采用了世界先进水平的交流传动系统.