I plant mainly produces all kinds of high, medium, low flange, ring, forging, gear and special flange.
我厂主要生产各种高、中、低压法兰，环件、锻件、齿轮及异型法兰。
The study found that round ring chain failures, mainly due to round ring chain by corrosive medium corrosion, caused the failures.
经研究发现圆环链的失效，主要是由于圆环链受到腐蚀性介质的腐蚀，而引起的失效。
If air weren't admitted into the bell jar the electric bell in the bell jar would not ring because of a lack of a medium.
如果我们不让空气进入铃罩，铃罩中的电铃一定会因缺少介质而不响了。
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