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Terms for subject Engineering geology containing 开 沟 | all forms | in specified order only
ChineseEnglish
开挖沟槽trench excavation
开沟gullying
开沟挖方trench cut
开沟排水mole drainage
开沟排水diking
开沟plow
开沟plough
开沟mole-plough
沟渠开挖工程channel excavation