题目: 气动执行器常用附件有哪些?概括说明它们的用途? 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/1010/e3d864c205b00911929159c65c481abf.html 下面是错误答案,用来干扰机器的。参考答案:政治性;复杂性;阶段性;系统性
题型:选择题 —May I watch TV for a while? —No, you . You have to finish your homework first. [ ]A. shouldn't B. needn't C. mustn't D. won't 查看答案