箱梁内净空高度不宜小于(),并应根据需要设置进人孔,进人孔宜设置在两孔梁梁缝处或梁端附近的底板上。
A.1m
B.1.2m
C.1.6m
D.1.8m
参考答案:C
The 3G cell-phone must be of great use to ______ wants to get the information through the Internet quickly.
A.who
B.whoever
C.whomever
D.whichever
叙述局部加热直轴法直轴的程序?