Loosehole plating chromic layer by weight used in the sliding friction parts and heat resistance, corrosion, wear parts, such as internal combustion engine cylinder lumen, piston rings.
松孔镀铬层应用于受重压的滑动摩擦件及耐热、抗蚀、耐磨零件，如内燃机汽缸内腔、活塞环等。
2
Once pierced, a belly with a hole will eventually loose that hole, unless some type of ornament remains inside the same hole.
一旦穿刺，带洞的肚皮最终会抹平那个洞，除非某款饰品一直装置在里边。
3
Short delay controlled blasting technology for deep holeloose is presented in this paper.