coal bed and gas bed

ebullated bed ebullating bed

ebullated bed reactor ebullating bed reactor

ebullating bed reactor ebullated bed reactor

acid swollen sole leather

assume sole responsibility for profit and loss

buffalo sole leather

cum sole

cylinder sole plate

European dover sole

extension sole

fault sole

flathead sole

half smooth tongue sole

half-smooth tongue sole

half-sole

Japanese plow with long sole

Japanese plow with short sole

Japanese plow with-out sole

leaf sole