This new model of drilling machine can bore through solid rock ten metres deep.
这台新型钻机能钻透十米厚的坚固岩石。
After he invented the new drilling machine, honors were thrust upon him.
他发明了新的钻机之后，许多荣耀都加在他的身上了。
The paper introduces the application of inverter in oil drilling machine.
本文介绍变频器在石油钻机的应用。
The paper introduces the application of inverter in oil drilling machine.
本文介绍变频器在石油钻机的应用。
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