... indicating oscillograph 指示式示波器 indicating pointer 指针 indicating potentiometer 指示电位器计 ...
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temperature indicating pointer 温度计指针
pointer-type indicating instrument 指针式指示仪表
pointer type indicating instrument [仪] 指针式指示仪表
When in use, the indicating pointer of a valve plate is rotated to point to some branch pipe on the dial plate, and the liquid of the liquid inlet main pipe flows to the branch pipe.
使用时，转动阀盘指针对准刻度上的某一支管，进液主管的液体就流向该支管。
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