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河流泥沙测验及颗粒分析仪器
释义
河流泥沙测验及颗粒分析仪器
Encyclopedia
工学
河流泥沙测验及颗粒分析仪器
释
river sediment measurement and grain-size analysis instrument
河流泥沙测验及颗粒分析仪器
测定河流泥沙含量和颗粒级配的仪器。
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surface of constant geopotential
surface of constant phase
surface of constant width
surface of contact
surface of degeneration of type
surface of degree p
surface of discontinuity
surface of equal distances
surface of finite type
surface of general type
surface of genus g
surface of genus zero
surface of intersection
surface of least area
surface of Liouville type
surface of materials
surface of negative curvature
surface of order n
Surface of phase change heat transfer
surface of positive curvature
surface of r contours
surface of revolution
surface-of-revolution parallel
surface of rotation
surface of screw motion
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