【机械工程】异型钢材【运输】异型钢材

较长的机件（轴、杆、型材等）沿长度方向的形状相同或按一定规律变化时，可断开后缩短绘制，断开后的结构应按实际长度标注尺寸；断裂边界可用波浪线、双折线绘制，如图13所示。

templet control for dressing profiled grinding wheels

profiled sheet metal floor

profiled grinding wheels

profiled sheet metal slab form slab

profiled sheet roof covering

grinding wheel, profiled

hollow profiled fibre

profiled sheet metal slab