大修竣工验收实行()。
A.车间验收
B.班组自验收
C.三级验收
D.运行人员验收
参考答案:C
______ Chinese international medical relief team was sent to the 7.0-magnitude quake-hit areas in ______Southwest China's Sichuan province the moment it happened.
A.A; the
B.The; the
C.A; /
D.The; /
使用分液漏斗的目的何在?使用分液漏斗时要注意哪些事项?