这是因为，装上冷水器可以使一些留校参加课外活动的学生在天气炎热的情况下

这是因为，装上冷水器可以使一些留校参加课外活动的学生在天气炎热的情况下有冷水可以饮用以避免中暑的事件发生。除了冷水器，学校也应该备有公共电话好让学生在发生紧急事件时可以在第一时间打电话通知父母

結果 (英文) 1:

This is because, loading water cooler allows some to stay on campus for extracurricular activities of the students in case of hot weather there is cold water can drinking incident to avoid heat stroke. In addition to the water cooler, schools should also have a public telephone so that the students can call for the first time in case of emergency notify parents

結果 (英文) 2:

This is because the cold water can be installed so that some school students participating in extracurricular activities in hot weather conditions can have cold water to drink to avoid heat stroke incidents. In addition to the water cooler, it should be available in public schools so that students can call the telephone notify parents in the event of an emergency for the first time

結果 (英文) 3:

This is because cold water charging device can make some participation in extracurricular activities for students in hot weather is cold water to drink in order to avoid the occurrence of heat stroke events. In addition to the cold water, the school should also have a public phone so that students can be in the event of an emergency, you can call in the first time to inform their parents