总等电位连接导体的截面应不小于装置的最大保护导体截面的一半。如果连接导体是铜线，则其截面不必大于16mm2。( )
参考答案：错
钢铁厂的计量单位主要是（）。
A.产出量
B.投入量
C.原料处理量
D.装机容量
Greatly moved by her words, __________.
A．tears came to his eyes
B．he could hardly hold back his tears
C．tears could hardly be held back
D．his eyes were filled with tears
