unit construction principle是什么意思 unit construction principle怎么读
unit construction principle的相关资料
unit construction principle的用法和样例
- In this paper, the structural principle of ENI is briefly dealt with.
本文简要地介绍了工频指零器的结构原理。 - A locking device and a reverse counterboring tool bar are designed, their structure and working principle are introduced.
设计了一种锁紧装置和一反锪孔刀杆，介绍了其结构原理。
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