frequency converting是什么意思 frequency converting怎么读
frequency converting的相关资料
frequency converting的用法和样例
- The main pump uses frequency conversion control.
主泵采用变频控制。 - A twist wire connected with multicircuit or variable frequency circuit board is winded on the industrial pipeline.
远处有多匝与变频电路板连接的螺旋状电线缠绕在工业管道上。
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