井格梁钢筋,能否实行预绑安装,如何操作?
参考答案:预绑单方向的梁,现绑边梁和另一方向的梁。
. Some of the suspects(嫌疑犯) ________ refused to answer and kept their mouths shut.
A.questioning
B.being questioned
C.questioned
D.to be questioned
要制作12节长方体的铁皮烟囱,每节长2米,宽4分米,高3分米,至少要用多少平方米的铁皮?