bare pipe
英 [beə(r) paɪp]
美 [ber paɪp]
裸（光）管；无螺纹管
双语例句
- 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。 - 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。 - Experimental research on comparison of heat transfer characteristics between corrugated pipe and bare pipe
波纹管与光管流体传热特性对比实验研究