that's the concern. The pump power of a fire engine is

来源: 于 2025-12-15 14:55:07 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

enomous that can drive an armored tank. I don't think a drone can have that much extra power, in addition to pulling the water hose with water to 100 meter high.