The （） is used to measure the volume of a liquid or gas through a pipeline within any given period of time.<br>A:flowmeter<br>B:viscometer<br>C:micrometer<br>D:feeler

The （） is used to measure the volume of a liquid or gas through a pipeline within any given period of time.
A:flowmeter
B:viscometer
C:micrometer
D:feeler

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