- 推荐网络例句
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Therefore, the real estate bubble want to entangle banks
因此，房地产泡沫要缠绕银行
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Dot it cry because it is over,smile because it happened.
不要因为结束而哭泣，微笑吧，为你的曾经拥有。
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This paper introduces different mechanical rod break-out modes,their structures,characteristics and operating programs of top-drive power head drill.
介绍了动力头式钻机的几种机械卸扣方式及其结构特点、操作程序，其中包括先卸钻杆下扣的上扣防松器、活动提篮上扣防松装置以及先卸钻杆上扣的上垫叉座装置。
Don't
stop moving...