标准摘要
[中文适用范围]： 指定尺寸和材料。 耳轴件分为三种类型：A 型为下单眼，B 型为中央眼，C 型为两眼，一上一下。 [外文原描述]： Specifies dimensions and materials. Trunnion pieces are divided into three types: type A with a single lower eye, type B with a centrally-located eye and type C with two eyes, one upper and one lower.
英文名称Shipbuilding and marine structures — Trunnion pieces for span bearings and lead block bearings