Recently, a young man climbing "Tape Worm" at the Midnight Surf wall took a lead fall from a point between the first and second bolt.
最近,一个年轻人在“午夜冲浪”岩场(MidnightSurfwall)先锋攀爬“TapeWorm”时在第一个和第二个挂片之间坠落。
The spinnability of far-infrared fibers could be remarkably improved by surf ace finishing of ceramic particles or decreasing PET melting point.
通过对陶瓷粉进行表面处理和降低聚酯熔点等途径,可明显改善远红外聚酯的可纺性。
The spinnability of far-infrared fibers could be remarkably improved by surf ace finishing of ceramic particles or decreasing PET melting point.
通过对陶瓷粉进行表面处理和降低聚酯熔点等途径,可明显改善远红外聚酯的可纺性。
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