未来的客户发现它能够制造成铸模绝缘材料、阀门零件、细长的物品、台球、球形柄、纽扣、刀柄以及各种各样的物件。
Would-be customers discovered it could be fashioned into molded insulation, valve parts, pipe stems, billiard balls, knobs, buttons, knife handles and all manners of items.
配置这种备选件的阀门在执行器顶部安装一个手轮用于手动阀门操作。
Valves with this option have a hand wheel mounted on top of the actuator for manual valve operation.
负责煤气主管道、阀门及辅件的维修保养。
Be responsible for maintaining gas pipe, valve and other accessories.
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