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water weed cutting Cutting down by scythe or machine at intervals the vegetation growth and grasses on banks and berms of irrigation and drainage channels or cropped areas (按时间间隔由镰刀或机器切割河堤、灌溉护堤和排水渠道或耕种区的植被和草。) |
水草切割 : 1 phrase in 1 subject |
Technology | 1 |