问题
单项选择题
预埋件钢筋埋弧螺柱焊停息数秒钟,打掉渣壳,四周焊包应凸出钢筋表面的高度,当钢筋直径为18mm及以下时,凸出高度不得小于()mm;当钢筋直径为20mm及以上时,凸出高度不得小于4mm。
A、3;
B、4;
C、5;
D、8。
答案
参考答案:A
预埋件钢筋埋弧螺柱焊停息数秒钟,打掉渣壳,四周焊包应凸出钢筋表面的高度,当钢筋直径为18mm及以下时,凸出高度不得小于()mm;当钢筋直径为20mm及以上时,凸出高度不得小于4mm。
A、3;
B、4;
C、5;
D、8。
参考答案:A
A. call 8850-6789 B. write an e-mail C. write a letter 小题2:Who can be in the School Festival? A. Michelle(she can draw pictures) B. Nike(he can play tennis) C. Gina(she can speak English) 小题3:Ann is in the School Festival. She may give a show on . A. December 20th B. January 4th C. January 2nd 小题4:We can’t buy at School Things Store. A. baseballs B. onion C. pencils 小题5:How much are two notebooks and a volleyball at School Things Store ? A. ¥ 15 B.¥ 17 C. ¥19 |