level indicator with rotating paddles 旋转叶轮式料位指示器 level measurement meter 料位测量仪表 level measuring for pipelines 管线标高测量 ..
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While fixing all embedded parts and embedded bolts, high precise level meter is required for measurement of elevation.
所有预埋件及预埋螺栓固定时均高精度水准仪测定其标高。
It is inconvenience to read the level without transmission line, especially in larger than 1 meter measurement range.
由于测量中若不加传输电缆，读数不方便，特别是在测量范围1米以上的测量中，操作困难。
Often a hand held integrating sound level meter such as the Model 30 would be mounted on a tripod at a boundary position and, for example, a 15 minute measurement made.
通常，一个手持集成示范等30人是在边界上的三脚架安装位置和声级计，例如，一个15分钟的测量制成。
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