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Guangdong Jiema Energy Saving Technology Co.,Ltd
1. Renovation of the detection surface: Spatter, oxide scale, pits and rust on the welding working surface should be removed. The smoothness is generally lower than ▽4. The trimming width of the flaw...
1. Destructive testing (1) Mechanical property experiments include tensile tests, hardness tests, bending tests, fatigue tests, impact tests, etc.; (2) Chemical analysis tests include chemical...
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