下列有关粗盐提纯实验的部分操作中,不正确的是[ ]
A.取一定量粗盐
B.溶解
C.过滤
D.蒸发
答案:C
以下试验检测项目属于施工过程阶段的是()
A.半成品试验检测,
B.地基承载力检测,
C.混凝土强度抽样试验,
D.桩基检测,E桥梁荷载试验。
The accurate declaration for the export goods is made by the ().
A. consignee or his agent
B. consignor or his agent
C. Customs
D. any person