%u3000%u3000%u76f8%u5bf9%u4e8e%u4f20%u7edf%u53d1%u52a8%u673a%uff0c%u7535%u63a7%u53d1%u52a8%u673a%u7531%u4e8e%u5176%u9ad8%u8f6c%u901f%u3001%u9ad8%u538b%u7f29%u6bd4%u548c%u9ad8%u529f%u7387%u7684%u5de5%u4f5c%u7279%u70b9%uff0c%u4f7f%u5176%u673a%u68b0%u8d1f%u8377%u53ca%u70ed%u8d1f%u8377%u66f4%u5927%uff0c%u6469%u64e6%u70ed%u66f4%u9ad8%uff0c%u56e0%u6b64%u5bf9%u51b7%u5374%u4ecb%u8d28%u7684%u8981%u6c42%u66f4%u9ad8%u3002%0D%0A%3Cbr%3E%0A%0D%0A%3Cbr%3E%0A%u3000%u3000%u5728%u708e%u70ed%u7684%u590f%u5b63%uff0c%u4f20%u7edf%u53d1%u52a8%u673a%u4e2d%u51b7%u5374%u4ecb%u8d28%u7684%u6b63%u5e38%u5de5%u4f5c%u6e29%u5ea6%u4e3a80%u2103-90%u2103%uff0c%u800c%u7535%u55b7%u53d1%u52a8%u673a%u7684%u51b7%u5374%u4ecb%u8d28%u7684%u6b63%u5e38%u5de5%u4f5c%u6e29%u5ea6%u8981%u6c42%u63d0%u9ad8%u523095%u2103-105%u2103%u3002%u56e0%u6b64%u5efa%u8bae%u7535%u55b7%u53d1%u52a8%u673a%u7684%u7528%u6237%u4e0d%u8981%u5728%u590f%u5b63%u6362%u4e0a%u6cb8%u70b9%u4e3a100%u2103%u7684%u6c34%2C%u800c%u5e94%u4f7f%u7528%u6cb8%u70b9%u8f83%u9ad8%u4e14%u4f20%u70ed%u6027%u80fd%u8f83%u597d%u7684%u9632%u51bb%u6db2%u505a%u51b7%u5374%u4ecb%u8d28%u3002%0D%0A%3Cbr%3E%0A%0D%0A%3Cbr%3E%0A%20%0D%0A%3Cbr%3E%0A
上条：
使用自来水作冷却介质对发动机有何危害？下条：
内燃机油之――矿物油与合成油到底有何不同？
