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Pondering over Diamond Bit Designing and Producing for Sand and Gravel Strata
砂卵石层孕镶金刚石钻头设计与制造的思考
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只要稍稍再瞄低一点点——哪怕那些坦克是躲在沙堤后面也会被炮弹轰回老家。
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A bIt'smaller than yesterday, breaking closer to the sand, and messier with stronger winds.
浪比昨天小了, 并且有点扣,有些乱,风也比较大.
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yellow sand is very oppressive but blue sky is bit of restlessness.
沙子的黄,异常沉闷.天空很蓝,却又是一分近乎躁动的蓝.
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