這叫可持續發展,如何拿捏到火候,可是MBA的大課題。
二位說的都不錯。
所有跟帖:
• 塑料高溫性能不好,一般Tg在160 到180,硬度也不好,做墊圈還可以, -soccer88- ♂ (41 bytes) () 08/05/2013 postreply 15:13:06
• 塑料高溫性能不好,一般Tg在160 到180,硬度也不好,做墊圈還可以, -soccer88- ♂ (41 bytes) () 08/05/2013 postreply 15:13:06
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