Engineer required every technician to read at least one reference book.
那位工程师要求每个技术员至少读一本参考书。
That engineer required every technician to read at least one reference book.
那位工程师要求每个技术员至少读一本参考书。
The safety officer shall be an experienced technician or engineer.
安全员应由经验丰富的切割员或切割工程技术人员担任。
The safety officer shall be an experienced technician or engineer.
安全员应由经验丰富的切割员或切割工程技术人员担任。
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