水利水电词汇 床面形态 Bed form 床沙质 (造床质 ) bed material load 垂线观测坐标仪（垂线观测仪） coordinatograph for plummet observation 垂线平均流速 mean velocity at a vertical 垂直度 perpendicularity 垂直度盘指标差（指标差，竖盘指标差） index error of vertical circle 垂直升船机 vertical ship lift 垂直收缩系数 vena-contracta coefficient 垂直位移工作点 operative mark of vertical displacement 垂直位移观测（沉陷观测，沉降观测） vertical displacement observation 垂直位移基点 datum mark of vertical displacement 磁法勘探 magnetic prospecting 磁方位角 magnetic azimuth 磁极 fieid pole 磁子午线 magnetic meridian 次固结(次压缩 ) secondary consolidation(secondary compression) 次固结沉降 secondary consolidation settlement 次生曲流 submeander 次生盐碱化 secondary salinization 次要建筑物 secondary structure 凑合节 adjuster of steel pipe 粗骨料 coarse aggregate 粗碎 primary crushing 粗制螺栓 bolt,rough bolt 错缝 staggered joint 搭接 lap joint 达西渗流定律 Darcy′s law of seepage 大坝变形观测 dam deformation observation 大坝水泥 dam cement 大暴雨 large rainstorm 大潮(朔望潮 ) spring tide 大地构造 geotectonics 大地控制点（大地点） geodetic control point 大地水准面 geoid 大地原点（大地基准点） geodetic datum 大气窗口 atmospheric window 大气折光差 atmospheric refraction error 大体积混凝土 mass concrete 大头坝 massive-head dam (massive-buttress dam) 大修理费 overhauling cost 代表性露点 representative dew point 带喉管的圆筒式调压室 throttled surge chamber 带舌瓣闸门 gate with flap 带速饱和变流器差动保护 longitudinal differential protection employing quickly-saturable transformer 带状间作 strip cropping 带状淤积 belt deposit 贷款偿还年限 pay back period of loan 单层布置 single storey layout 单调节调速器 single-regulation governor 单回线 single-circuit line 单机调节 independent regulation 单级单吸...
