海词手机词典

In order to improve the present passive situation of petroleum production in the oil field of Gudong area,we have been done some experimental research on abrasion and corrosion of oil field petroleum pipeline in two-phase flow of fluid and solid.

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