bare pipe

基本解释

The bare tightly tied to the pipe wall, and other positions available table moderate heat insulation cotton.
以裸露紧绑在管道表壁，其它位置可用保温棉适度保温。
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.
本文通过对光管、膜片管、螺旋肋片管的传热对比分析，提出螺旋肋片管能强化省煤器的传热。
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.
这种抽油泵柱塞游动阀采用机械强制开启和关闭的结构，柱塞为等径光管、浮动结构，可防止发生气锁游动阀、阀球关闭滞后、砂卡柱塞现象。