PLC内部有()定时器。 A.几十 B.几百 C.几个 D.无限 发布时间:2018-09-26 01:36 │ 来源:www.tikuol.com 题型:单项选择题 问题: PLC内部有()定时器。A.几十B.几百C.几个D.无限
题型:单项选择题 — When will they leave? — They _____ very soon. New term _____ on September 1st. [ ]A. do leave; begins B. are leaving; begins C. have left; will begin D. leave, is beginning 查看答案