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雙列角接觸球軸承,, 承受傾覆力矩時(shí)產(chǎn)生嚴(yán)重振動(dòng),! |
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評(píng)分
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點(diǎn)評(píng)
不懂傾覆力矩,更不懂所謂--“用來傳遞扭矩”,。
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