These regulations shall include the necessary measures for such symptoms as high water level alarming, metal temperature sharp fall or steam pipe vibration.
这些规定应包括有出现如高水位报警,金属温度急剧下降或蒸汽管道振动等征兆时必须采取的措施。
3
The testing method using fall size substance specimens is introduced for transmission shaft, oil well pipe, train pothook, cover of sewer well.