现主要产品IC卡燃气控制阀-内置、外置及工业用阀门。
Products are mainly IC Card Gas Control valve - internal, external and industrial valves.
工业用阀门的大量应用，是从瓦特发明蒸汽机以后才开始的。
The industrial used valve massive applications, will be later only then start from the watt invention steam engine.
工业用阀门的大量应用，是从瓦特发明蒸汽机以后才开始的。
The industrial used valve massive applications, will be later only then start from the watt invention steam engine.
应用推荐