油泵转子 oil pump rotor
沥青乳剂泵转子 asphalt emulsion pump rotor
油泵转子顶端 oil pump rotor tip
泵转子环 pump rotor ring
计量泵转子 metering pump rotor
转子泵 rotor pump ; [机] Rotary pump ; Lobe Pump
梭心转子泵 rotoplunger pump ; shuttle-block pump ; rotopiunge pump ; block pump
次摆线转子泵 trochoid rotor pump
偏心转子泵 eccentric rotary pump ; rotary eccentric piston pump
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