bare pipe

基本解釋

The bare tightly tied to the pipe wall, and other positions available table moderate heat insulation cotton.
以裸露緊綁在管道表壁，其它位置可用保溫棉適度保溫。
The paper analyses the heat transfer of bare pipe and spiral gilled pipe and proposes that the spiral pipes can strenght the heat transfer of economizer.
本文通過(guò)對(duì)光管、膜片管、螺旋肋片管的傳熱對(duì)比分析，提出螺旋肋片管能強(qiáng)化省煤器的傳熱。
The travelling valve of the pump is designed to be closed and opened forcibly, and the pump plunger adopts equal-diameter bare pipe with a floating structure to prevent gas lock and sand sticking.
這種抽油泵柱塞游動(dòng)閥采用機(jī)械強(qiáng)制開(kāi)啟和關(guān)閉的結(jié)構(gòu)，柱塞為等徑光管、浮動(dòng)結(jié)構(gòu)，可防止發(fā)生氣鎖游動(dòng)閥、閥球關(guān)閉滯后、砂卡柱塞現(xiàn)象。