内容介绍：阀门种类英汉术语对照Air valves 空气阀门 Angle Stop valves 角式截止阀 Angle Throttle Valves 角式节流阀 Angle Type Globe Valves 门角式截止阀 Ash valves 排灰阀 Aspirating valves 吸（抽）气阀 Auxiliary valves 辅助（副）阀 Balance valves 平衡阀 Bellows