How good sign production process, test swing carved this etching machine precision variable speed conveyor belt can, scouring the length of time can be adjusted here.
酒店标牌制作的工艺如何好,试刻这台精密摇摆蚀刻机传送带可以无级调速,冲刷时间的长短可以在这里进行调整。
Plenty of oxidation etching pits are found on the surface of the specimen after the thermal fatigue test, and the surface principal crack is prone to propagate through these etching pits.
实验结果发现,试样表面出现大量的氧化腐蚀坑,表面主裂纹优先通过这些腐蚀坑扩展。
Plenty of oxidation etching pits are found on the surface of the specimen after the thermal fatigue test, and the surface principal crack is prone to propagate through these etching pits.
实验结果发现,试样表面出现大量的氧化腐蚀坑,表面主裂纹优先通过这些腐蚀坑扩展。
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