Port area shall be 100% of the mating pipe port area through the entire valve length.
整个阀门的流道截面应该与管道的流道截面100%相同。
The executive mechanism of Cu-Al pipe butt welder, based on above, was designed, including its air system and mating clamper.
在此基础上，设计了铜铝管对焊机的执行机构，包括其气动系统和配套夹具。
The executive mechanism of Cu-Al pipe butt welder, based on above, was designed, including its air system and mating clamper.
在分析了铜铝管焊接工艺过程的基础上，重点论述了铜铝管对焊机执行系统和控制系统的设计。
The locking bolt is provided with an outer thread mating with the expansion pipe at the peripheral surface and has a groove at one end.
一锁定螺栓，其周面上具有与膨胀管相匹配的外螺纹，并在其一端设有凹槽。
The locking bolt is provided with an outer thread mating with the expansion pipe at the peripheral surface and has a groove at one end.
一锁定螺栓，其周面上具有与膨胀管相匹配的外螺纹，并在其一端设有凹槽。
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