底が広い水瓶。沈殿物がある場合、下に沈めるために上部よりも下部を最大限に広げた。
A water bottle with a wide base. Its bottom is flared to help sediment sink down, making it easier to separate clear water from any settled debris.
底が広い水瓶。沈殿物がある場合、下に沈めるために上部よりも下部を最大限に広げた。
A water bottle with a wide base. Its bottom is flared to help sediment sink down, making it easier to separate clear water from any settled debris.