水阀

draining

排水作业

draining valve 放泄阀泄水阀泄油阀 | draining 排水作业 | draining 排水作业排泄

Waste Valves

排污箱(阀) 字串

Wafer Type Butterfly Valves with Rubber Itning对夹式衬胶蝶阀 | Waste Valves 排污箱(阀) 字串8 | Water Seal Gate Valves 水封闸阀

automatic water system

自动洒水系统自动洒水装置

automatic water regulating valve 自动水量调节阀 | automatic water system 自动洒水系统自动洒水装置 | automatic water system 自动洒水装置

dousing valve

喷淋阀

dousing tank isolation valve 喷注水箱隔离阀 | dousing valve 喷淋阀 | dousing water 喷注[淋]水

sprinkler alarm valve

喷水灭火系统报警阀

sprinkler alarm valve water motor transmitter 报警阀水力传感器 | sprinkler alarm valve 喷水灭火系统报警阀 | sprinkler alarm 洒水喷头联动报警

valve ellipse

阀动椭圆图

阀动图 valve diagram; Zeuner valve diagram | 阀动椭圆图 valve ellipse | 锅炉借水 running at dropping water level

water valve body

热水阀壳体

water valve 热水阀 | water valve body 热水阀壳体 | water-cooled 水冷

Double Disc Flat s

双闸板平板闸阀

双闸板 Double gate disc | 双闸板平板闸阀 Double Disc Flat s | 水封闸阀 Water Seal s

Double Disc Flat Gate Valves

双闸板平板闸阀

双闸板 Double gate disc | 双闸板平板闸阀 Double Disc Flat Gate Valves | 水封闸阀 Water Seal Gate Valves

Double Disc Flat Gate Valves

双闸板仄板闸阀

双闸板 Double gate disc | 双闸板仄板闸阀 Double Disc Flat Gate Valves | 水封闸阀 Water Seal Gate Valves

Greco-Latin square：希腊拉丁方格

Granduation of curve 曲线递合 | Greco-Latin square 希腊拉丁方格 | Grand lot 大批

cunningham：帆前角下拉索

斜拉器:kicking strap | 帆前角下拉索:cunningham | 调整索:outhaul