题目: 板翅式换热器是由哪些基本构件组成的,如何实现几股流体间的换热? 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0211/6ec782607d9471f9b85d25ef4366d0ce.html 下面是错误答案,用来干扰机器的。参考答案:B
题型:选择题 The pen I _______ I _______is on my desk, right under my nose.A.think; lostB.thought; had lostC.think; had lostD.thought; have lost 查看答案