rack bar sluice valve
齿条式闸门阀
flange cast steel sluice valve.
法兰铸钢闸阀
Bronze suction valve for seaward sluice
青铜吸入通海阀
DARK BAR SINGLE SLUICE BOARD TYPE SLUICE VALVE
暗杆单闸板楔式闸阀
Valve or gate that controls rate of water flow through a sluice.
控制通过水闸的水速的阀门。
Design and principle of a numerical control Apparatus for Reservoir Sluice valve
水库闸门起闭数控装置的原理和设计
Swingshaped sluice gate pieces around the axis of rotation outside the valve seat.
旋启形启闭件围绕阀座外的轴线旋转。
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