We had just curl up in our sleeping bags when we both heard a loud crack.
我们正要钻进睡袋休息,忽然听到一声很大的噼啪声.
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介绍了混凝土的特性,分析了混凝土裂缝的种类,分别从收缩裂缝、温度裂缝、水化热裂缝等方面总结了混凝土裂缝产生的原因及其控制措施。
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Dermal middle-level is hemal by collagen bundle break up naturally be like crack form.
真皮 中层 血管被胶原束自然分割似裂隙状.
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The gas hole , shrinkage cavity and crack were eliminated through up-grading technology.
并且改进工艺,以消除气孔 、 收缩和裂纹.
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I had to get up at the crack of dawn to avoid too many people on the train.
为了避免和太多人一起挤火车,我不得不天一亮就起床。
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