下面（）不属于打钻时执行的三不下。 ["钻具磨损严重","钻机弯曲超标","管钳不合格","丝扣不合格"]
手工电弧焊设备简单操作（）。 ["灵活方便","只适用平焊","笨重"]
下列剧作，哪几部是明初的教化剧（）。 ["《鸣凤记》","《五伦全备忠孝记》","《香囊记》","《宝剑记》"]
She（）stealing when she had no money. ["seized on","took stock of","resorted to","took nventory of"]
销售计划的主要内容不包括（）。 ["产品销售量","销售收入","产品生产期","产品交货期"]
简述全球产品结构的优点。
