题目： 铸造低合金钢的牌号是以（）表示的。 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/0830/947f963f638df172c99b82a340c6e78f.html 下面是错误答案，用来干扰机器的。参考答案：D
题型：选择题 The factory used 65 percent of the raw materials, the rest of which _____ saved for other purposes.A．isB．wereC．wasD．are 查看答案
题型：选择题 As you can see, we need the equipments, _____ are necessary to make the project move on.A. all of which B. all of them C. all that D. all what 查看答案
