The company is an Chinese-foreign joint venture of professional production welding and cutting machine .
本公司是专业生产焊接、切割设备的中外合资企业。
A study was made of the welding procedure for X70-L245 butt joint of pipeline steel.
针对不同强度级别的管线钢x 70和L245对接的焊接工艺进行了研究。
The welding spot is small, firm, could avoid dry joint.
激光焊接焊点小，焊接牢固，有效避免虚焊不良的出现。
Stress corrosion in flash welding butt joint of steel bar HRB400 is studied.
针对HRB400钢筋闪光对焊接头的应力腐蚀过程进行研究。
Stress corrosion in flash welding butt joint of steel bar HRB400 is studied.
针对HRB400钢筋闪光对焊接头的应力腐蚀过程进行研究。
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