- straight-ahead drilling
- 顺利: plain sailing; smooth going; ...
- 续: continuous; successive
- 钻: drill; auger
- 顺利: plain sailing; smooth going; without a hitch; smoothly; successfully 顺利发展 smooth development; 顺利完成任务 have successfully done one's job; 手术进行得顺利。 the operation was plain sailing. 工作正在顺利进行。 the work is going on smoothly. 我们的生意兴隆, 一切顺利。 we did excellent business; everything went on wheels. 在顺利的情况下, 要看到还会有困难。 when circumstances are favourable we must not forget that there will still be difficulties. 尽管遇到了一两件小小的不幸, 一切都进行得很顺利。 in spite of one or two minor mishaps everything was going swimmingly
- 专利续展费: renewal fee of patent
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