问题
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If there are micro-seized areas on the liner or skirt scratch-over manually with a coarse carbo-rundum stone (grindstone), moving the grindstone ____ at an angle of 20 to 30 degrees to horizontal.
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The ice is not thick enough to bear the we
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The ice is not thick enough to bear the we
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The ice is not thick enough to bear the w
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A storm moved directly over the island demolis
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A storm moved directly over the island demolis
最新题目
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1936年10月,在甘肃会宁、静宁将台堡胜利会师红军三大主力是.....
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积聚与鼓胀的鉴别点是A、有无结块可扪及B、有无腹痛C、有无嗳.....
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