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