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關(guān)注:1
2013-05-23 12:21
求翻譯:一種利用超聲波機(jī)械加工原理進(jìn)行輔助破巖的方法是什么意思?![]() ![]() 一種利用超聲波機(jī)械加工原理進(jìn)行輔助破巖的方法
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2013-05-23 12:21:38
Using ultrasonic machining principle of the method of assisted rock
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2013-05-23 12:23:18
A way to use an ultrasonic machining operation to assist in the way.
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2013-05-23 12:24:58
One kind carries on using the ultrasonic wave machine-finishing principle assists the broken crag the method
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2013-05-23 12:26:38
Using method of ultrasonic mechanical machining principle of assisted drilling
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2013-05-23 12:28:18
0A using ultrasonic machining operation to assist in the break;
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