vane-type nozzle block [机] 叶片式嘴组
vane type nozzle block 叶片式喷嘴组
control by nozzle block [机] 副喷嘴调节
turbine nozzle block 涡轮导向器
breech piece and nozzle block 闭锁机构和喷管组
emulsion block nozzle 雾化喷油器
nozzle tube lever block 嘴管杆垫块
nozzle seating block 水口座砖
nozzle filler block 喷管胀圈
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