硬铜导体最大允许应力为()。 ["6860N/cm2","8820N/cm2","12270N/cm2","13720N/cm2"]
视网膜的神经节细胞纤维哪部分经视交叉进入对侧视束()。 ["颞侧","鼻侧","上半部","下半部","全部"]
“组织”就人而言,是指按一定的宗旨和系统建立的()。 ["集体","计划","任务","部门"]
在厨房操作间、锅炉房中,液体或可熔化固体物质火灾、气体火灾单位灭火级别最大保护面积为()。 ["0.5m2/B","1.0m2/B","50m2/A","75m2/A"]
图示结构EI=常数,用力矩分配法计算时,分配系数μA4为:() ["4/11","1/2","1/3","4/9"]
涉及库存管理的法规和规章主要有哪几项?