海词手机词典

The thermal decomposition performance of JMZ gun propellants containing PET(copolyether of tctrahydrofuran and epoxy ethane) binder and their related compositions was studied by TG and DTA.

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