actuating mechanisms of valves,ball valves in steam traps
词语： actuating mechanisms of valves,ball valves in steam traps
解释： 疏水器阀、球阀致动机构
词典： 专利专业英汉词典
actuating mechanisms of valves,ball valves in steam traps 相关解释
疏水器阀、球阀致动机构 actuating mechanisms of valves,ball valves in steam traps
