gate travel

基本解释闸板行程

网络释义

1)gate travel,闸板行程2)parallel slide valve,平行闸板阀3)double disc parallel seat,平行双闸板4)Double Disk Parallel Gate Valves,明杆平行式双闸板闸板5)Electric Double Disk Parallel Gate Valves,电动平行式双闸板闸板6)parallel expanding gate,平行扩张式闸板

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