常見(jiàn)例句雙語(yǔ)例句Gate valve allows a smooth flow.使得閥門(mén)啟閉流暢平穩(wěn)。blog.sina.com.cnGate valve quickly, the operation of non-impact.快速啟閉閥門(mén)時(shí)，操作無(wú)沖擊。blog.sina.com.cnButterfly valves have flow characteristics three times better than globe valves and approximately 75% of an equivalent size gate valve.蝶閥的流體特性相當(dāng)于截止閥的三倍甚至更高，相當(dāng)于同樣尺寸的閘閥的75%。 返回 gate valve