three-cone bit
英
美
- 三锥牙轮钻头
相关词汇
threepence
three
Three - stage evaporative cooling
three-phase squirrel-cage motor
Three - winding transformer model
three- stage intubation technique
three-dimensional radial timebase
three phase pulse x-ray generator
three-stage coutercurrent reactor
Three coordinates measuring machine
three-phase frequency-converted
three-dimensional random cavities
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