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1·Along with the elapsing of year, this book will be more preci.

随着年代的流逝，这本书将越发珍贵。

2·The excellent properties of this steel are resulted from ultra-low carbon acicular ferrite with interaction of very fine preci…

其优良的性能得益于具有与细小析出相交互作用的高密度位错的超低碳针状铁素体组织。

3·PRECI-DIP has produced a variety of copper alloys, high-speed precision lathe bur 300, its production capacity up to 150 million per week.

PRECI - DIP拥有生产各种铜合金精密车针的高速车床300台，其生产能力高达每周1.5亿件。