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化学法测流
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化学法测流
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chemical method discharge measurement
化学法测流
在测验河段的上游断面注入一定浓度的示踪剂,经水流充分混合后,在下游取样断面测定稀释后示踪剂浓度或稀释比率的流量测验。
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waterproof material
waterproof mortar
waterproof motor
waterproof of concrete structure joints
waterproof of construction joints
waterproof of deformation joints
waterproof of post-pouring belt
waterproof permeable layer
waterproof sealing material
waterproof textile materials for architecture
water pump
water puppets
water purification project
water purification structure
water quality
water quality analysis
water quality and sampling
water quality assessment
water quality assessment of transboundary water section
water quality automatic monitoring system
water quality buoy
water quality detection
water quality evaluation
water quality forecasting
water quality for mariculture
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