剪床上剪板需使剪刀先加压,板变形,再挤入,最后是上刀片进一步斜压板料则()。A.开始 发布时间:2019-09-30 11:37 │ 来源:www.tikuol.com 题型:单项选择题 问题: 剪床上剪板需使剪刀先加压,板变形,再挤入,最后是上刀片进一步斜压板料则()。A.开始塑性变形B.挤入深度加大C.开始出现裂缝D.马上断裂
题型:单项选择题 Mum ______ my suggestion while Dad spoke ______ my idea.A.turned off, in favour ofB.turned down, in favour ofC.turned down, in need ofD.turned on, in hope of 查看答案