歴青
also: ちゃん
れ
き
せ
い
Meanings
1
asphalt; bitumen
Technical term for asphalt or bitumen, used in construction and materials science.
Asphalt is used for road paving.
Bitumen is also used as a waterproofing material.
also: ちゃん
asphalt; bitumen
Technical term for asphalt or bitumen, used in construction and materials science.
Asphalt is used for road paving.
Bitumen is also used as a waterproofing material.