GB/T699-1999的标准名称是()
参考答案:优质碳素结构钢
在八脉交会穴中,通任脉的是:()
A.后溪
B.公孙
C.太渊
D.列缺
E.内关
-How come the flowers died?
-For____of water. [ ]
A. lacking
B. lack
C. short
D. a lack