6539| 18
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轉(zhuǎn)彎輥?zhàn)訖C(jī)為什么輥?zhàn)右龀慑F形輥?zhàn)樱?/span> |
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點(diǎn)評(píng)
這樣的結(jié)構(gòu)幫美芝做過滾筒線和輸送鏈,。正是每個(gè)滾筒上兩個(gè)串聯(lián)的鏈輪,一個(gè)帶一個(gè),。
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