钻头必须缓慢转动，以保证钻孔平整光滑。The drill should be slowly rotated to ensure a clean hole.打钻和提钻时要保持钻头平稳。Keep the drill steady while it ascends and descends.你得拆开这个钻头。You'll have to disassemble the drill....
The hounds followed the stag's scent.那群猎犬循臭味追寻牡鹿。There is a tad of " flation " , in other words , but not much sign of'stag " .换一种说法就是,通胀是 微量, 但是疲软确十分明显.Also known as Darwin's beetle, the Chilean stag'...
What specific services can the Inmarsat provide?inmarsat能提供什么具体服务 呢 ?Then what does Inmarsat do?inmarsat具体起什么作用 呢 ?Inmarsat maritime safety services include the global distribution of maritime safety information ( MSI )....