太脱拉 T 148型汽车运行两年后,在一次机械事故中曲轴箱被捣了个大窟窿,沿引擎支座方向开裂,裂纹长150毫米左右(如图1所示)。采用焊补工艺修复,现将焊补工艺介绍如下,仅供参考。 Two years after the Trattoria T 148 operated, the crankcase was tampered with a large hole in a mechanical accident and cracked in the direction of the engine support. The crack was about 150 mm long (Figure 1). Welding repair process is used, welding process now introduce the following, for reference purposes only.