small diameter pipe cutter 小口径割管器
construction of small diameter pipe 小径管施工
small-diameter steel pipe 小直径钢管
small diameter steel pipe 小口径钢管
small-diameter steel pipe bearing pile 小口径钢管支撑桩
small diameter and thin pipe 小径薄壁管
The simulation experiments proved that it is a desirable tractive device for the inspecting system of small diameter pipe.
实验证明这种机器人适合作小直径管道检测系统的理想牵引装置。
Analyzes the welding characteristic of importing new type of SA213 - T23 steel, tests the welding technique of small diameter pipe, takes further understanding for the steel welding performance.
分析了我国新引进的钢种SA213 - T23钢的焊接性能，并对其小径管的焊接工艺进行了试验，对该钢种的焊接性能有了进一步的了解和认识。
Analyzes the welding characteristic of importing new type of SA213 - T23 steel, tests the welding technique of small diameter pipe, takes further understanding for the steel welding performance.
分析了我国新引进的钢种SA 213 - T23钢的焊接性能，并对其小径管的焊接工艺进行了试验，对该钢种的焊接性能有了进一步的了解和认识。
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