用厌氧生物净化法净化此工艺废水,可使净化效率达到93%以上.The purificial to anaerobe. The purification rate could amount to more than 93 % by anaerobic method.通过对原设备的改造, 使净化系统与电炉同步运行率显著提高.Through reforming original equipment, the synchronous ration...
The children were playing on the inflatable castle.孩子们在充气的城堡上嬉戏。Elaine went outside to inspect the playing field...伊莱恩走到外面查看操场。Elaine went outside to inspect the playing field.伊莱恩走到外面查看操场。They enjoy themselves drinking w...
It's a good chance to broach the subject.这是开始提出那个问题的好机会.Complete crystal shape, high diaphaneity and low impurity. Suitable for circular saws, frame saws and geological broach.晶体完整, 透明度高,杂质含量低,晶形与晶体强度性能优越. 使用于圆锯切片 、...