旋启多瓣式止回阀 Multi-disc swing foot valve ; multi-disc swing check valve ; Multi-discng foot valve

多瓣式抓斗 orange peel bucket ; multi peel bucket

多瓣式抓岩机 multijaw grab

多瓣式挖泥船 orange peel dredger

旋启多瓣式 Multi-disc swing foot valve

多瓣式戽斗挖土机 orange-peel archaeologian ; orange-peel excavator

多瓣式抓斗挖掘机 orange-peel excavator

多重叶瓣式节气闸 multiblade damper ; multiple leaf damper

多瓣旋启式止回阀 Multi-disc swing check valve