基本释义:

平行双闸板

网络释义

1)double disc parallel seat,平行双闸板

2)Double Disk Parallel Gate Valves,明杆平行式双闸板闸板

3)Electric Double Disk Parallel Gate Valves,电动平行式双闸板闸板

4)Double Disc Flat Gate Valves,双闸板平板闸阀

5)parallel slide valve,平行闸板阀

6)double cantilevered plane gate,双悬臂平板闸门