下列钢筋砼构件,可设施工缝的是()。
A.桩承台
B.板式基础
C.柱
D.预制桩
参考答案:C
Try ____ too much salt oil. [ ]
A. not to eat, and
B. to not eat, or
C. not to eat, or
汗液的成分与尿液的成分中都含有[ ]
A.水、无机盐、尿酸
B.水、无机盐、尿素
C.水、无机盐、葡萄糖
D.水、无机盐