Endogenic rocks are not clastic.内生岩石不是碎屑状的.The crack in the coal seam is divided into two kinds: endogenic crack and exogenous crack.煤层中的裂隙分两种,即外生裂隙和内生裂隙.Starting from the present research situation, endogenic and exogen...
Objective : To prepare L ü di auristilla and establish a method for its quality control.目的: 制备氯地滴耳液并建立其质量控制方法.Methods: The contents of levofloxacin and tinidazole in auristilla were determined by dual wavelength spectrop...
Farmers have reported a bumper crop this year.据报道今年庄稼大丰收。Install the jounce bumper on the upper spring mount.在上部弹簧固定处安装避震器.We can have roller coasters, bumper cars and bungee jumpings.我们可以坐过山车,开碰碰车,玩蹦极跳.A bumper crop rem...