量筒;
With the photoelectric timing at the graduated cylinder connected with the capillary tube, the flow measurement accuracy is greatly improved.
在接毛细管输出液体的量筒处加上光电计时,可使测量液体的流速的精确度提高。
The line, at which the tooth intersects the graduated cylinder, is an arc in the developed surface of the cylinder.
轮齿与其分度圆柱面的交线在分度圆柱面所展开的矩形中为圆弧;
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