线绕式抽头的优点是()。A.接插头方便、灵活 B.接触可靠并具有防水性 C.接触较可 发布时间:2019-07-20 23:00 │ 来源:www.tikuol.com 题型:单项选择题 问题: 线绕式抽头的优点是()。A.接插头方便、灵活B.接触可靠并具有防水性C.接触较可靠并具有全防水性D.接触可靠
题型:单项选择题 I'm told that www.languagepractising.com is a free website _____ learners can not just learn various languages but also chat online.A. that B. which C. where D. whose 查看答案