cc523pate 发表于 2018-6-14 18:17:28

BS ISO 3354:2008 Measurement of clean water flow in closed conduits — Velocity

BS ISO 3354:2008 Measurement of clean water flow in closed conduits — Velocity-area method using current-meters in full conduits and under regular flow conditions
封闭管道中清洁水流量的测量  在满管中和规则流动条件下采用流速计的速度-面积法

admin 发表于 2018-6-15 09:40:37

谢谢您的分享,金币已奖励!

hgundas 发表于 2019-10-2 13:52:03

謝謝樓主的分享！！！！！！
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