赞题库-背景图
单项选择题

A．Raw materials.
B．Sub-standard materials.
C．Standard materials.
D．Low-cost materials.
<上一题 目录 下一题>
热门试题

单项选择题A．65%.B．80%.C．23%.D．87%.

A．65%.
B．80%.
C．23%.
D．87%.

单项选择题A．It cuts wastage.B．It cuts cost.C．It saves time.D．It is easier to detect a fault.

A．It cuts wastage.
B．It cuts cost.
C．It saves time.
D．It is easier to detect a fault.