A plunger type quantitative lead pump belongs to the technology field of special pumps and is used for solving the problems with the lead pump, including high rate of wear and short service life.
一种柱塞式定量铅液泵，属特种泵技术领域，用于解决铅液泵磨损速度快、寿命低的问题。
The defect of plunger type RTM machine is analyzed in this paper.
本文分析了活塞式rtm机存在的一些缺陷。
The defect of plunger type RTM machine is analyzed in this paper.
本文分析了活塞式rtm机存在的一些缺陷。
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