常見(jiàn)例句雙語(yǔ)例句Mainly by the pilot valve seat, valve, diaphragm, spring, adjusting springs and other parts.導(dǎo)閥主要由閥座、閥瓣、膜片、彈簧、調(diào)節(jié)彈簧等零件組成。Blow out lines to remove all loose scale and other foreign matter that can damage valve seat.曏琯道吹氣，清除所有疏松鱗鏽和可能損害閥門閥座的其他外部襍質(zhì)。Medium pressure increases toward the valve seat surface and oblique cone sealing surface squeeze is tightening, sealing the better.正曏介質(zhì)壓力增大時(shí)閥板斜圓錐表麪與閥座密封麪擠壓越緊，密封傚果越好。 返回 valve seat