角钢

The piano family in this house ranges from grand and square to upright and pianola.

展品包括了三角，长形，立式自动等。

Channel companies welding stainless steel processing various models, ranging from heterotypic edge angle.I-H-plasma processing.

公司焊接加工各种型号不锈槽，不等边异型角，工字，H型等子加工等。

As the crane is static the mast sections are directly fishplate onto the 4 fixing angles corresponding to the mast type used.

由于该起重机是固定式的，其塔节与四根固定角呈鱼尾形连接（译：角线连接），而角的形式又与塔身类型相应。