回填土打夯时,宜采用水浇使土下沉的“水夯”法。() 发布时间:2019-01-13 22:48 │ 来源:www.tikuol.com 题型:判断题 问题: 回填土打夯时,宜采用水浇使土下沉的“水夯”法。()
题型:判断题 — Michael was late for Mr. Smith's oral class this morning. — _________? As far as I know, he never came late to class.[ ]A. How come B. So what C. Why not D. Guess what 查看答案
题型:判断题 (2分)某地一不法商贩销售的含NH4HCO3的氮肥,经检验含氮的质量分数为14%。(1)NH4HCO3中碳、氢元素质量比为________。(2)该商贩所售每袋50 kg氮肥中,实验含NH4HCO3________kg。(结果精确到0.1 kg) 查看答案