试验结果表明，改进后的冷却系解决了ZA6440轻型客车长期存在的发动机过热问题。
The test result shows the engine overheat problem long time existed in ZA6440 light bus has been solved by the improved cooling system.
测试表明，结构布置的改进有效地解决了发动机过热的问题。
Test shown that improvement on structural arrangement can settle engine over-heat problem effectively.
测试表明，结构布置的改进有效地解决了发动机过热的问题。
Test shown that improvement on structural arrangement can settle engine over-heat problem effectively.
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