圆筒: cylinder; barrel; drum阀: established house or power g ...高圆筒阀: valve, high cylindrical筒阀: cylindrical valve高筒阀: high cylindrical valve气筒阀: air cylinder valve套筒阀: sleeve valve; sleevevalve; telescopic valve; telescoping valve转筒阀: rotary sheeve valve; rotary sleeve valve圆筒: cylinder; barrel; drum 密封圆筒 tight [watertight, airtight] barrels工作筒阀: working barrel valve捞砂筒阀: bailer valve气筒阀杆: air cylinder valve stem气筒阀接头: air cylinder valve connection气筒阀帽罩: air cylinder valve bonnet气筒阀塞: air cylinder valve plug气筒阀压盖: air cylinder valve gland牛鼻式高压气筒阀: bull-nosed cylinder valve长圆筒: long cylinder大圆筒: swift短圆筒: short cylinder量筒,圆筒: cylinder内圆筒: inner cylinder汽缸,圆筒: cylinder桶,圆筒: barrel外圆筒: out cylinder