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。
Sound-level meter by its simple, convenient, the cost is low, the precision higher a series of merits, become one of aircraft noise measurement aspect main metering equipment.
声级计以其简单，方便，成本低，精度高等一系列优点，成为航空器噪音测量方面主要的测量仪器之一。
The Intelligent water level meter by the buoy is designed to meet the need of water discharge auto-measurement at the outlet of irrigation channel of the Yellow River.
智能浮子式水位计是为引黄灌渠斗口流量自动测量而研制的。
The Intelligent water level meter by the buoy is designed to meet the need of water discharge auto-measurement at the outlet of irrigation channel of the Yellow River.
智能浮子式水位计是为引黄灌渠斗口流量自动测量而研制的。
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