| 1. | Dynamic programming model of investment in gas piping
煤气管道费用的动态规划模型
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| 2. | The explosion was caused by a burst gas pipe
这次爆炸是由一个爆裂的煤气管引起的。
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| 3. | The explosion was caused by a burst gas pipe
这次爆炸是由煤气管爆裂引起的。
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| 4. | We stopped the leak in the gas pipe by means of lead
我们用铅堵塞了煤气管上的漏洞。
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| 5. | Inadequate maintenance of gas pipes can be dangerous
大厦供气喉保养不当，会造成危险。
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| 6. | Basic dimensions of steel flanges for marine exhaust gas pipe
船排气管用钢法兰的基本尺寸
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| 7. | The workman plugged the hole in the gas pipe
工人把煤气管的洞堵上了。
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| 8. | Connect the gas stove with the gas pipe
将煤气炉和煤气管接连。
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| 9. | Please don t lay down gas pipes and water pipes under the floor
请不要在地板下铺设煤气管水管。
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| 10. | Study on technologies of improving corrosion resistance of oil gas pipe
提高油气管耐蚀性的工艺研究
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