锯切棒材时,有定尺长度要求的,必须在切净烂头的前提下,按要求的热定尺长度锯切,偏差允 发布时间:2018-04-09 14:26 │ 来源:www.tikuol.com 题型:单项选择题 问题: 锯切棒材时,有定尺长度要求的,必须在切净烂头的前提下,按要求的热定尺长度锯切,偏差允许范围是()。A.≤45B.≤50C.≤55D.≤60
题型:单项选择题 “I in the dormitory, watching the live TV broadcast about the tsunami.” David told the policeman who had driven there to question him.A.was stayingB.stayC.stayedD.am staying 查看答案