Biax-orientation Nylon6(BOPA) film is a new type of top grade packaging material with outstanding properties including cold-proof, heat-proof, oil resistance and good gas, water vapor barrier etc.
双向拉伸尼龙6薄膜是一种具有耐寒、耐热、耐油、抗刺穿以及对气体和水蒸气阻隔性优良等性能的新型高档包装材料。
To meet the occasion that has the requirement of explosion proof, the cold cutting technology of premixed abrasive water jet was proposed to use in the cut of brittle materials such as concretes.
提出在有防爆要求的场合下，利用前混合磨料水射流冷切割技术对混凝土等脆性材料进行切割。
In the thirties, it changes into a fire-proof iron door, cold and solid. Now it could not be easily burned through by the fire of passion, but could be infiltrated by the water of tenderness.
三十几岁的心扉是防火的铁门，冷硬而结实，虽然热情的火不易烧开，柔情的水却能渗透。
In the thirties, it changes into a fire-proof iron door, cold and solid. Now it could not be easily burned through by the fire of passion, but could be infiltrated by the water of tenderness.
三十几岁的心扉是防火的铁门，冷硬而结实，虽然热情的火不易烧开，柔情的水却能渗透。
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