光纤接续时应用()控制断面,剥光缆外护层时不得损伤光缆 发布时间:2017-09-16 17:16 │ 来源:www.tikuol.com 题型:填空题 问题: 光纤接续时应用()控制断面,剥光缆外护层时不得损伤光缆
题型:填空题 The flowers_______sweet in the botanical garden attract the visitors to the beauty of nature. (2004上海)A.to smellB.smellingC.smeltD.to be smelt 查看答案
题型:填空题 After we talked about it for a long time, he agreed to help us ______.A.at an endB.in the endC.as usualD.at present 查看答案