closed pipe

The utility model belongs to a scope of electric pipe connection pieces, in particular to a muff-coupling clamping closed galvanized steel conduit joint device.

本实用新型公开了属于电气管线连接件范围，特别涉及一种套接紧定式封闭型镀锌钢导管接头装置。

Khandekar Hydrodynamic Coupling in Closed Loop Pulsating Heat Pipe, International Journal of Thermal Science, 2003.

王金树、卓世杰,“脉冲式热管之制造与测试”, 硕士论文,国立台北科技大学制造科技研究所, 2003.

Low thermal conductivity of rubber pipe insulation, completely closed-cell structure, good insulation and lasting effect.

橡塑保温管导热系数低，完全闭孔结构，绝热效果持久良好。

the heart, blood vessels and lymph vessels connect to form a set of closed pipe system.

心脏、血管和淋巴管互相连通，共同组成一套密闭的管道系统。

The string is mainly comprised of closed-type gas anchor, gravity type anti-gas device and laser slotted screen pipe.

该管柱主要由闭式气锚、重力式防气装置和激光割缝筛管3部分组成。

Research and application of the closed matching exploitation pipe string in low productivity well

低产能油井（层）闭式配套开采管柱的研究与应用