样品处理系统的安全泄压阀用以保护那些承压范围有限的部件,应安装在样品处理系统(),并连接至火炬放空管线上。
A、出口处
B、入口处
C、样品旁路上
D、流量计前
参考答案:B
More highways have been built in China, _____ it much easier for people to travel from one place to another.
A.making
B.made
C.to make
D.having made
患儿大便质稀色淡,夹有泡沫,臭气不甚,肠鸣腹痛,伴有发热,鼻塞流清涕,舌苔薄白,脉浮紧。其治法是:()
A、消食导滞,和中止泻
B、清热利湿,清肠止泻
C、疏风散寒,理气化湿
D、健脾益气,助运止泻
E、健脾温肾,固涩止泻