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对 16V2 4 0ZJB型柴油机气缸盖上横臂导杆探伤问题、所使用的专用探头、探伤灵敏度及缺陷当量的定量、探伤测量方法进行了介绍。对柳州机务段 1996～ 1998年因横臂导杆裂损形成的临修进行了统计。最后提出了几点建议。
On the 16V2 4 0ZJB diesel engine cylinder head on the traverse guide testing, the use of special probes, testing the sensitivity and defect equivalent quantitative, flaw detection and measurement methods are introduced. Liuzhou locomotive depot from 1996 to 1998 due to horizontal arm crack guide formed by the statistics. Finally, I put forward some suggestions.