A. 排列图 B. 散布图 C. 因果图 D. 分层法
A. 正确 B. 错误
A. 各部位 B. 车厢里 C. 门头 D. 洗面间
A. horizontal position of the boom B. vertical position of the boom C. horizontal position of the load being lifted D. vertical position of the load being lifted