... carbon seal 石墨垫圈 carbon washer 石墨垫圈 carbon steel 碳钢 ...
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carbon thrust washer 碳精止推垫圈
·2,447,543篇论文数据，部分数据来源于NoteExpress
The result shows the reason why sealing washer parts destroyed is that carbon content of ST12 steel used is too low. High carbon content and strength material should be used to produce the parts.
结果表明，导致密封圈变形而破裂的原因是选用的ST12钢含碳量太低，应选用含碳量和强度稍高的材料来制造。
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