油漆施工时的环境温度一般不低于( )。
A.0℃
B.5℃
C.10℃
D.15℃
参考答案:C
A new school was ______ in the village last year.
A.held up
B.set up
C.sent up
D.brought up
接线柱中之英文字母“E”代表必须接上何线()
A.火线
B.零线(中线)
C.地线(水线)
D.天线