海词手机词典

The results show that due to diffusion of the elements,a layer of intermetallic compound is formed between these two materials as they are bonded together directly,leading to a 30% strength of the base metal(ZQSn10-10) in joint region.

播放读音 播放读音

以上内容独家创作,受著作权保护,侵权必究

海词词典,十七年品牌