海词手机词典

The results of tension tests show that the tensile strengths of the copolymers increases as the contents of ethyl acrylate, diacectone acrylamide and glycidyl methacrylate increase.

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