词汇	earth film
释义	earth film 土工膜
随便看	DU ratio duration durational dur ational durationally durational pattern durational patterns durational verb Duration analysis duration and degree of heating duration-area curve duration assessment of water quality duration buffer duration calculas duration calculus duration case duration clause duration coding duration compression duration contest duration control Duration-Convexity immunization duration counter duration curve Duration curve of storm intensity WkOL