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The gas anti-permeability and carbonation resistance of recycled concrete, which was prepared by using waste concrete as recycled coarse aggregate (RCA) and some cement and mineral additions as raw materials, were studied.
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摘要以废弃混凝土为再生粗集料，再适当掺加一定量的水泥和矿物掺和料，制成再生混凝土。 |
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The gas bubbled to the surface of the water.
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气体变成气泡升上水面。 |
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The gas chimney can be applied in hydrocarbon exploration in terms of ranking prospects, detecting migration pathways, distinguishing sealing or non-sealing faults, identifying potential over-pressured zone and drilling (shallow gas) hazards as well as as
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气烟囱在油气勘探工作中有其独特的作用，可以有效地预测勘探方向、揭示天然气的运移路径、预测断层的封闭性，同时利用气烟囱还可以预测超压和海底构造稳定性，降低浅层气钻探风险。 |
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The gas company is offering fifty pounds off a new cooker if you trade in your old one.
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如果你用旧厨灶来折价的话，那家煤气公司愿以减价50英镑出售一套新厨灶。 |
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The gas company soaked us for $117 last month.
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煤气公司上个月榨走（或：重罚）了我们117美元。 |
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The gas distribution system shall cover from the gas outlets on the benches or fume hoods to gas regulator manifolds at the cylinder area.
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气体管路安装从气瓶站总阀门到工作台上各个气体阀门。 |
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The gas is much less dense than either the solid or the liquid.
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气体的密度比固体和液体要小得多。 |
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The gas is our profession.With the precise scientism and the will of establish a business,we absorb the advanced technology and experience of home and abroad.With the plenty practical experience and success,we will offer a wide range of products and relia
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燃气是我们的专业；怀着严谨的科学态度和艰苦创业的精神，我们充分吸收国内、国际的先进技术及经验，以丰富的实践经验和成绩，不断为用户提供优质产品和服务，为能源产业作出贡献。 |
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The gas is stored under pressure in the tank .
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该气体在压缩状态下贮存于罐中. |
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The gas is stored under pressure in the tank.
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该气体在压缩状态下贮存於罐中. |
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The gas main explode and set fire to the house.
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煤气总管爆炸引起房子失火。 |
