rotary pump with liquid ring
液环泵
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Liquid Ring Pump
液环泵
液环真空泵
水环泵
borehole drilled with rotary excavation
旋挖成孔
continuous beam bridge with rotary construc-tion method
连续梁转体桥
oil rotary pump
旋转式油泵
油旋泵
pump rotary
砂泵
抽砂泵
rotary pump
旋转泵
旋转水泵
回转泵
旋转式泵
回转式泵
回转式容积泵
转子泵
旋<转>泵
旋转筛
Rotary ring
旋转环
rotary ring flume
旋转环形水槽
slide-vane type rotary pump
刮板式旋转泵
thread guide mechanism with rotary blades
拨叉导丝机构
variable-delivery rotary pump
可变排量旋转泵
Cryogenic liquid pump
低温液体泵
Design for piezoelectric pump with active valve
主动阀压电泵的设计
Disk Pump with Radial Straight Blade
叶片圆盘泵
gear pump with asymmetric teeth
非对称齿轮泵
heat pump with direct-expansion solar energy collector
直接膨胀式太阳能辅助热泵
Heat pump with double high-temperature heat source
高温双热源热泵
heat pump with screw compressor
螺杆式热泵
Liquid pump
液体泵
液氯液下泵
液货泵
液泵
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