发布时间:2025-02-03 07:56:55
个头大不大,两种方法,一种用蜡包裹,放地下室阴干,至少2年,还有一种是用油漆把两边封住,也是地下室或储藏室之类的地方,反正不能太潮,晒不到太阳的地方,冬天还得拿回家,不过阴干的时间越长,将来越不容易开裂,裂了就可惜了,
有种潜水呼吸器 外形为短棍状 咬在嘴里不需要氧气钢瓶就可以持续在水下呼吸想知道工作原理
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