chain pump
基本解释
[化] 链式泵
英文释义
A pump consisting of an endless chain, running over a
drum or wheel by which it is moved, and dipping below the water to be
raised. The chain has at intervals disks or lifts which fit the tube
through which the ascending part passes and carry the water to the
point of discharge.
上一个单词：chain pulley
下一个单词：chain reaction