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Terms for subject Water resources containing contour | all forms | exact matches only
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concentration units contour浓度单位等值线
contour-check irrigation等高畦灌
contour-check method等高畦灌
contour ditch irrigation等高沟灌法
contour-furrow irrigation等高沟灌法
contour-furrow method等高沟灌法
contour-grade ditches irrigation等高沟灌法
contour line等值线
graded contour furrow级配等高沟