海词手机词典

This paper describes technical measures for a deep pit job of work shaft in Pud-ong and PD1 plus PD2 pit construction of a cut-and-cover section with focus on presenting the draw-off of pressure-bearing water.

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