水尺 meaning in Chinese

staff gauge; water gauge; depth gauge

What is the maximum draft allowed at discharging port
你们到达卸货港所允许的最大水尺是多少？
The technical regulation on weighing deadweight by means of draft for barge
驳船水尺计重技术规程
Rules for the weight survey of import and exportcommodities . weight by draft
进出口商品重量鉴定规程.水尺计重
We can not see the middle draft clearly , please change your position
中间的水尺无法看到，请向前（向后）调整一下位置。
Water gauge copper pipe
试水尺铜棒式

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