游标卡尺使用前首先要检查尺子本身的准确度。
顺铂() ["对心脏的影响最大","对肾脏的影响最大","对肺脏毒性最大","对骨髓抑制最重","发生腹泻最重"]
栓剂的常用基质可可豆脂的熔点是() ["20℃~25℃","25℃~30℃","30℃~35℃","35℃~40℃","40℃~45℃"]
投光灯塔、灯桥外缘与有固定点的380/220V架空线路带电裸导体间最大风偏时水平净距不小于()。 ["0.6m","1.0m","1.2m","1.5m"]
单核-巨噬细胞产生的主要细胞因子是() ["IL-1","IL-2","IL-4","IL-5","IL-10"]
磨机通过能力是指磨机的总给矿量与磨机的()之比。