望远镜;
A perspective on the glass should be carefully cleaned.
答把透视玻璃澈底擦净.
The development of glass fiber reinforcement fashion was presented perspective of glass fiber reinforced thermoplastics.
并叙述了玻璃纤维增强热塑性复合材料的进展,提出了玻璃纤维增强热塑性复合材料发展的方向.
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