proof-water grade 防水等级
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。
Crystal Case Cell phone: PC high-grade materials, and has not easily Broken, dust-proof, water-proof function, and so on.
手机水晶：采用高档PC材料、具有不易破碎和不易折断、防尘、防水等等功能。
An appropriate amount of high-grade grade(excellent for heat 150 and water resistant) is prepackaged in the bearing. sealed type bearing are mud-proof, dust-proof.
轴承已注入适量的润滑脂。（能承受150度的高温），并具有防水性能。
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