A new type of porous sound absorbing material was made from super-strength gypsum and glass fiber.
摘要以 高强 石膏为胶凝材料,内掺玻璃纤维,制备出一种新型多孔吸声材料.
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A new type of porous sound absorbing material was made from-strength gypsum and glass fiber.
以 高强 石膏为胶凝材料,内掺玻璃纤维,制备出一种新型多孔吸声材料.
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She passed the glass off as diamonds; He passed himself off as a secret agent.
她以玻璃冒充钻石; 他自己冒充特工人员.
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Ink sample must be kept in air-tight glass or metal container to avoid contamination and oxidation.
提交之样品必须密封在玻璃或金属容器内,避免样本污染及氧化.
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无碱布采用铝硼硅酸盐玻璃成份,其碱金属氧化物含量不大于0.8%.
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A new chalcogenide glass system containing higher content of alkali metal ions was developed.
开发了有高含量碱金属离子的新型硫化物玻璃.
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公司主导产品有钻石牌高强度喷丸强化用珠和钻石牌道路反光标线用玻璃微珠。
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She felt as fragile as glass in his hands, her limbs as weak as water.
在他手里,她觉得自己脆弱得好像玻璃,四肢无力犹如溺水。
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“漂浮海马”别墅拥有四个卧室、玻璃底的杰库齐浴缸以及可在冬季转换为卧室的露天平台。
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理论分析了半导体量子点玻璃非本征吸收区透射系数与非线性光学系数之间的关系;
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