蜜炙的注意事项有() ["A、炼蜜可用开水稀释","B、火力要小,以免焦化","C、须凉后密闭贮存","D、炙时时间稍长,尽量除去水分","E、蜜炙品不宜受日光直接照射"]
川芎酒炙后() ["A、波洛立林含量增加","B、总生物碱含量增加","C、活血作用增强","D、行气作用增强","E、止痛作用增强"]
经煅制,失去结晶水而改变药效的有() ["A、明矾","B、石膏","C、寒水石","D、磁石","E、牡蛎"]
单芯交流电缆为何不采用钢带铠装?
电缆线路维修计划的编制分为哪几类?
敷设电缆应满足哪些要求?