| 释义 |
oil drill
基本例句
石油钻井
Ram-type blowout preventer is important equipment used in oil drilling operation.闸板防喷器是石油钻井过程中的一种重要设备。
So it comes as a surprise to learn that giant fish are terrifying the divers on North Sea oil rigs.因此，听说北海石油钻井平台上的潜水员受到巨型鱼类的恐吓，确实很让人吃惊。 |