基尔霍夫电压定律是指()。 ["A、沿任一闭合回路各电动势之和大于各电阻压降之和; ","B、沿任一闭合回路各电动势之和小于各电阻压降之和; ","C、沿任一闭合回路各电动势之和等于各电阻压降之和; ","D、沿任一闭合回路各电阻压降之和为零。"]
双排钢管脚手架,里排立杆离墙距离不大于()。 ["A.75cm","B.60cm","C.65cm","D.70cm"]
宪章派文学
吊篮上所挂的立式安全网应用直径小于()的尼龙网或金属网。 ["A.10cm","B.12cm","C.15cm","D.18cm"]
初戴隐形眼镜者一般可出现(),不用进行特殊处理。 ["A、痒感","B、异物感","C、畏光","D、突发性眼痛"]
“小人物”