焊接件长度尺寸如选()级精度可不标注,选用其他精度等级均应在图样上标注。A、A B、 发布时间:2019-08-30 00:07 │ 来源:www.tikuol.com 题型:单项选择题 问题: 焊接件长度尺寸如选()级精度可不标注,选用其他精度等级均应在图样上标注。A、AB、BC、CD、D
题型:单项选择题 The film is really wonderful.It's such a long time ________ I enjoyed myself so much.[ ]A. when B. beforeC. as D. since 查看答案