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- The vacuum valve opens to admit air .
真空阀开启以补充空气。 - Ships and marine technology . pressure vacuum valves for cargo tanks
船舶技术.货槽用压力真空阀 - Ccevv coolant control engine vacuum valve
冷却水温控制引擎真空阀 - Ships and marine technology - pressure vacuum valves for cargo tanks
船舶与海上技术货油舱压力真空阀 - Ships and marine technology - pressure vacuum valves for cargo tanks
船舶与海上技术.散货船真空压力阀 - Ships and marine technology - pressure vacuum valves for cargo tanks
船舶和海洋技术.货油舱用压力真空阀 - The same is true of the vacuum valves in radio or television sets
用于收音机、电视机的真空电子管也是如此。 - Tvv thermal vacuum valve
水温传感控制真空点火正时阀 - Vent pressure vacuum valve
通风系统的压力调节阀 - Tiv thermactor idle vacuum valve
热控怠速真空阀
Last modified time:Mon, 11 Aug 2025 00:29:56 GMT