Gears are weather proofed and BabbIt'sprockets may be applied.

齒輪抗大氣腐蝕的,并且可以應(yīng)用巴氏合金鏈輪.

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At this point, the sprockets of his memory claw at a blank reel.

在這時(shí), 里斯-瓊斯記憶的齒輪空轉(zhuǎn)了.

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Some movement of sprockets and timing marks as belt tension is adjusted is normal.

當(dāng)調(diào)整皮帶張力時(shí),鏈輪與正時(shí)記號有些許移動(dòng)是正常的.

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