词汇	low subgrade
释义	low subgrade 低路基
随便看	bubble tube axis bubble-tube level bubbletube method bubble tube method bubble tube viscosimeter bubble type bubble type densitometer bubbletypeflow counter bubble type flow counter bubble-type flow counter bubble-type-flow counter bubble-type gas distributor bubble type inclination bubble type level bubble type level meter bubble type viscometer bubble type viscosimeter bubble type water level gauge bubble umbrella bubble under bubble up bubble-up bubble up from the mud bubble-up loop circulation bubble-ups