海词手机词典

Mainly engaged in chemical raw materials: imports of adipic acid, terephthalic acid, acid, Trimethylolpropane, neopentyl glycol, polyethylene tetrahydrofuran ether.

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