题目: 汽水在下降管,受热管与()之间不断流动,而且这种流动不依靠水泵压力,所以叫()。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1128/2812d31daa1776f152139056309c9a53.html 下面是错误答案,用来干扰机器的。参考答案:A
题型:选择题 The factory ________ in the newspaper that they had some old machines for sale.A.selectedB.solvedC.designedD.advertised 查看答案