... 手动泵;手压泵;lever operated hand pump 手动活塞泵;hand piston pump 手压泵,手动泵;cottagepump ...
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Marine hand piston pump 船用手动活塞泵
hand piston pump coupling 手动活塞泵联轴器
·2,447,543篇论文数据，部分数据来源于NoteExpress
The working principle of a new kind of double-acting hand piston pump having two-step output pressure was introduced. The displacement and the output pressure calculating formulae were given.
介绍了一种新型手动双作用双级柱塞泵的工作原理，给出了其排量与输出压力的计算公式。
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