在潮湿的环境中应采用电压为()的电钻。 ["24V","36V","110V","220V"]
烟花爆竹仓库、中转库内,烟火药、黑火药堆码高度不小于()。 ["1m","1.2m","1.5m","2.5m"]
机动车不应直接进入1.1-2和1.3级建筑物内,装卸作业宜在建筑物门前不小于()以外处进行。 ["1.5m","2.5m","3.5m","4.5m"]
电子分立元件焊接时的焊接时间一般不超过(). ["A、1s","B、2s","C、3s","D、4s"]
慈竹属的地下茎类型为() ["合轴散生型","合轴丛生型","单轴型","复轴型"]
补写出下列名篇名句中的空缺部分:远上寒山石径斜,()。(杜牧《山行》)