| 释义 |
back valve 英/ b?k v?lv / 美/ b?k v?lv / 1 ?回动阀 ... auxiliary valve辅助阀(暖汽调整阀用) back valve回动阀, 止回阀,逆止阀, 单向阀 backflush valve反冲阀 ... 2 [机]?止回阀 ... auxiliary valve 辅助阀(暖汽调整阀用) back valve 回动阀, 止回阀, 逆止阀, 单向阀 backflush valve 反冲阀 ... 3 ?逆止阀 ... auxiliary valve 辅助阀(暖汽调整阀用) back valve 回动阀, 止回阀, 逆止阀, 单向阀 backflush valve 反冲阀 ... 4 ?单向阀 ... back-up valve 升压阀[在低的环境温度下，为了降低空冷式冷凝器的能力，以维护一定排气压力的设施] back valve 单向阀，止回阀 back vent 虹吸排气管 ...
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The performance and structure of existing back valve are introduced, and an ultra-low pressure startup back valve, which can be fixed freely in any pipes with any directions, is designed. 对现有止回阀的性能、结构进行了分析，设计了一种可以随意安装于各种方向的管道中的超低压力启动上回阀。 - 2
Caution: Exercise care to prevent purple primer or solvent cement from running back in the valve to the diaphragm or seating area. 警告：要小心谨慎操作，避免紫色底漆或液状粘固剂流回到阀门内的隔膜或密封区域。 - 3
If the engine backfires, the sudden pressure in the intake manifold forces the valve back. 如果发动机回火，进气歧管骤增的压力就迫使阀门向后移动。
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