无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

<blockquote id="fviuz"><acronym id="fviuz"></acronym></blockquote>

<em id="fviuz"></em>

單項(xiàng)選擇題

A manometer is used to measure （）.

A.pressure
B.temperature
C.volume
D.specific gravity

你可能感興趣的試題

單項(xiàng)選擇題

"gauge pressure" means（）.

A."vacuum"
B."the excess of pressure above atmosphere"
C."figure on a gauge"
D.Any of the above

單項(xiàng)選擇題

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

<pre id="0whv2"><strong id="0whv2"></strong></pre>

<ruby id="0whv2"><small id="0whv2"></small></ruby>