干燥操作中,在()干燥器中干燥固体物料时,物料不被粉碎。A、厢式 B、转筒 C、气流 发布时间:2017-11-11 20:35 │ 来源:www.tikuol.com 题型:单项选择题 问题: 干燥操作中,在()干燥器中干燥固体物料时,物料不被粉碎。A、厢式B、转筒C、气流D、沸腾床
题型:单项选择题 When it comes to “empty-nest syndrome(综合症)”, parents are advised to _______regular contact with children through phone calls, emails, texts or video chats. A.substituteB.sacrificeC.associateD.maintain 查看答案