开径用英语怎么说_开径英文怎么写

Open diameter

开径───Open diameter

valve fully open, the flow resistance is very small, almost zero, so the ball valve diameter is widely used in petroleum and natural gas pipelines because the pipeline cleaning easy.───球阀在完全开启时，流阻很小，几乎等于零，因此等径球阀广泛应用于石油天然气管线中，因为容易清扫管线。

The original design of valve plate to open the gas valve is hanging in the channel, the possession of an effective diameter about 20%.───原设计阀板打开是悬于阀体的气体通道内，占有有效通径20%左右。

Large diameter of the plug can not be changed, or open mold. Lid with the same size diameter hose.───塞子的内径不能改大，或开模具。盖子跟软管直径同样大小。