boiler graphite
·2,447,543篇论文数据,部分数据来源于NoteExpress
电站锅炉给水调节阀的阀杆密封采用柔性石墨填料,既降低了摩擦力,又为调节阀的运行节约了能源。
The stem seal of a feed water control valve uses expanded graphite packing in order to produce friction and to economize on energy for the control valve working.
youdao
应用推荐
模块上移
模块下移
不移动