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针对12V180ZL型和Z12V190BJ型柴油机烧拥活塞的问题，通过理论分析并联系运用和检修中出现的实际情况，提出解决办法。
Aiming at the problem of burning pistons of 12V180ZL and Z12V190BJ diesel engines, the solution is put forward through theoretical analysis and in connection with the actual situation in operation and maintenance.