电缆埋深主要根据当地冻土层的深度及电缆所受压力,电缆埋深必须()当地冻土层的深度,通 发布时间:2018-05-10 08:34 │ 来源:www.tikuol.com 题型:单项选择题 问题: 电缆埋深主要根据当地冻土层的深度及电缆所受压力,电缆埋深必须()当地冻土层的深度,通常是0.7~0.9m。A.等于B.小于C.大于D.不大于
题型:单项选择题 — He is too busy to help us finish the work. — Let's do it _____. [ ]A. itselfB. myself C. ourselves D. himself 查看答案