| 释义 |
reversing valve短语¹¹⁴⁴⁶⁷⁺⁴
基本例句
换向阀,回动阀
The failure of a downhole hydraulic piston pump is mainly due to the trouble of its reversing valve assembly.
换向机构失效是引起水力活塞泵井下故障的主要原因。 cnki
The pipe string includes double hydraulic cylinder with anchorage packer, double hydraulic cylinder without anchorage packer, releasing tool, reversing valve and centralizer.
该工艺管柱主要由双缸液压锚定封隔器、双缸液压无锚定封隔器、液压丢手工具、换层开关、扶正器等工具组成。 cnki |