class of station

This paper introduces the calculation methods of pressure temperature rating for ASTM materials using in power station valves, and also introduces the relations between pressure and class for high pressure and high temperature power station valves

介绍了电站阀门用ASTM材料的压力温度等级的计算方法及常用高温高压电站阀门压力温度等级与磅级制阀门的关系

He is a national second-class scenarist works for the television station of Xiangxi autonomous prefecture of Hunan province, and concurrently the vice-president of Xiangxi Writers Association.

现为湖南湘西自治州电视台国家二级编剧兼湘西自治州作家协会副主席。

He was at the problem confronting him, weighted down the incubus of his working-class station.

眼前面临的问题叫他恐怖了.他那 工人阶级 的处境像梦宽一样压着他.

Study on a Class of Logical Ring Station Two-state Transition

一类逻辑环站点双态转移的研究

Discussion and Division of Explosion-proof Class of Gas Pressuring Station

煤气加压站防爆等级的探讨与划分

Under I or II class contamination conditions of station site, ceramic post insulator, sleeve and other ceramic devices are difficult to meet outdoor usage requirements.

在I、II级污秽等级的站址环境下，瓷质外绝缘单个支柱绝缘子、套管以及其他瓷质类设备难以满足户外要求；

The class introduces tail pipe joint and hydropower station, the existence of the crack joints runner room to crack, and the reason is analyzed.

介绍了平班水电站尾水管凑合节与转轮室连接处存在裂纹的现象，并对裂纹产生的原因进行分析。