... piston type sensor 活塞式传感器 pit type furnace 坑式电炉 pitch control rod 螺距调节杆 ...
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pit-type electric furnace
... pit-type carburizing furnace 坑式渗碳炉 pit-type electric furnace 坑式电炉 pitch ①螺距②齿节，节距，间距③硬沥青，沥青，木沥青④音调，高度，斜度，周节 ...
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短语
圆坑式电炉
cylindrical pit electric furnace
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