结论纳米级水镁石纤维粉尘具有明显的细胞毒性，其细胞毒作用较普通水镁石纤维粉尘强，较石英粉尘弱。
Conclusion The cytotoxicity of millimicron brucite fiber was obviously stronger than common brucite fiber, but much weaker than quartz dust.
由于强的红外吸收，石英玻璃材料拉制成的光纤或微结构光纤在中红外波段的传输损耗很大。
Microstructured fibers made of silica undergo high loss in transmission due to the intrinsic material absorption in mid-infrared region.
五强溪水电站石英岩人工砂石骨料加工厂是我国最大的人工骨料加工系统。
Wuqiangxi quartzite aggregate processing plant is the largest aggregate processing system in China.
五强溪水电站石英岩人工砂石骨料加工厂是我国最大的人工骨料加工系统。
Wuqiangxi quartzite aggregate processing plant is the largest aggregate processing system in China.
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