堵头

Remove drain plug from bulkhead fitting and install valve assembly. Hand tighten.

从堵头连接件上拆卸排泄塞，并安装阀门总成。 用手紧固。

Reinstall the cover of valve´s purged box.

重新盖好阀净化室堵头。

Iithography comprise the: brushless gum, stick a bookmark with floorings , decorative floorings , decorative gauze cloth back - paper.

加工的内容包括： 刷胶 、 粘书签带 、 贴纱布、贴堵头布，贴书脊纸。

This happens when ink is solidified between ink nozzle and chamber of mesh.

墨水在喷嘴和滤网之间形成凝结块，会出现堵头现象。

This paper introduces systems the design penstock bulkhead of the Tianhu hydropower station.

系统地介绍天湖水电站堵头的设计情况。