1.Main defects and key technology in beamhouse effeeting.quality of pigskin garment leather producing were discussed in this paper.
本文讨论了目前国内猪正服装革存在的主要质量缺陷,以及鞣前准备中严重影响这些质量的关键工艺技术。
2.The surface defect appeared mainly as air bubbles and ferroferric oxide drops which centred around the lower outer - field portion of the stoneware cup.
表观缺陷主要表现为釉泡和氧化铁粒,且其集中于杯体下部外侧面。
3.The pattern of fracture by impact penetration test and tensile fatigue test of thermite welding with stereoscan was observed,and the component of defect with energy spectrum was analyed.
粒,且其集中于杯体下部外侧面。
按形态和尺寸分为团簇状夹杂、锥状夹杂、粒状夹杂、
