亚临界压力的汽包锅炉在启动调试时应进行水位标定试验，以确定就地水位表的基准零位。
Water line demarcation test should be carried out when starting up and adjusting the subcritical drum boiler, to certify the zero benchmark of the local water gauge.
经过大量的试验和计算分析表明，环境温度变化率和环境温度梯度对光纤陀螺零位漂移的影响大于环境温度对漂移的影响。
By large amount of experiments and calculations, the result shows the effects on FOG accuracy of temperature rate and its grads are greater than of only the temperature itself.
应用推荐