round pin

Hoffman one-arm fixators: Threading two group 5 mm round osseous pin crossing in the amphi broken-end osteotomy, and one-arm fixators were installed in leg anteriomedialis.

Hoffman单臂延长器：在截骨断端上、下交叉穿2组5mm骨圆针，在小腿前内侧安装单臂延长器。

A piston pin fits into a round hole in the piston.

活塞销装在活塞的环形的孔里.

Round nuts with set pin holes in side

GB/T816-1988侧面带孔圆螺母

And the PC version of the same name in World War II-themed strategy game round, the enemy's intelligence nice, Interactive company Chu Pin.

和电脑版同名的以二战为主题的回合策略游戏，敌人的智能不错，互动公司出品。

Nb ( C, N) and V ( C, N) mainly precipitate on dislocation, grain boundary and sub-boundary, with oval, round or irregular shape, they can effectively pin the movement of dislocation, also have significant grain refinement effect.

Nb（C、N）和V（C、N）主要在位错、晶界和亚晶界等处析出，一般成椭圆形、圆形或不规则形状，可以有效钉扎位错运动，产生显著的晶粒细化效果。