【单选题】正常排水时泵房的温度不得超过( ),超过时,应采取降温措施。
【单选题】照射过程中发现局部皮肤出现紫红色,应采取的措施是 查看材料
【单选题】主排水泵正常排水时,泵房内的温度不得超过()℃。
【简答题】看图补全对话。 1. A: What is he doing? B: He __________________________. 2. A: Is he washing the clothes? B: No, he isn't. He's ______________. 3. A: What's the date today? B: It's _________________________....