在北半球大陆上,()季的气压最高。A、春B、夏C、秋D、冬 发布时间:2017-08-18 06:41 │ 来源:www.tikuol.com 题型:单项选择题 问题: 在北半球大陆上,()季的气压最高。A、春B、夏C、秋D、冬
题型:单项选择题 Which fire detection system is actuated by sensing a heat rise in a compartment?()A.Manual fire detection systemB.Automatic fire detection systemC.Smoke detection systemD.Watchman's supervisory system 查看答案