The positively charged AlCl _ 2 - MMH - bentonite mud system possesses more powerful anti - caving capacity.AlCl_3-MMH-膨润土体系可成为防塌作用更强的正电泥浆.The moving current is white and opaque due to the use of a bentonite solution.由于采...
The bombers had conducted a 300 - mile search, quartering and requartering the area.轰炸机在那地区上空一次又一次地来回执行三百英里搜索.He swam quartering upstream, but still was swept downward rather faster than he had expected.他向上游游去, 可是河水老是要把他...
Guscott rarely speaks out, preferring to keep his own counsel.古斯科特很少发表意见，他更喜欢把自己的看法埋在心里。She scorns the visible trappings of success, preferring to live unnoticed.她鄙视标志成功的外在之物, 更愿意默默无闻地生活.Douglas held his tongue, preferri...
He always wears the blue cords.他总是穿着那条蓝色的灯心绒裤。The longitudinal cords are termed connectives.纵走的索称为连索.Aim : To observe the effect of semiconductor laser treatment on vocal cords leukoplakia.目的: 观察半导体激光治疗声带粘膜白斑的临床效果.He had...