本产品适用于焊接前坡口及焊接后缝焊表面的修磨，金属薄板及小型钢的切割，金属及大理石表面的修磨，除锈抛光。
This product is suitable for fixing and throwing light whet superficially after welding and before it in metals lamella and small scaled steels incise metals and marbles.
抽取的检验样品应当迅速放入密闭容器中(塑料袋、铁罐或磨口玻璃瓶)。
The inspection samples shall be put in airtight containers (plastic bags, cans or ground glass bottles) as soon as they are fetched.
目的 探讨经口咽入路齿状突磨除行脑干腹侧减压的手术技巧及安全性。
Objective To study the microsurgical odontoidectomy via transoral transpharyngeal approach for craniovertebral junction malformation and its safety.
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