The program in Listing 3 shows how to do that in Python: the code takes a tar filename as a command-line argument and then prompts the user with several options.
清单3中的程序说明了如何在Python中完成这项工作：这段代码接受一个tar文件的名称作为命令行参数，然后向用户提供几种选择。
The plastometer thickness of No. 2 coking coal and 1/3 coking coal increased dramatically by adding modified coal tar pitch, meanwhile, the coal caking indexes increased dramatically.
随着改质沥青的加入，焦2煤和1/3焦煤的胶质层厚度显著增加，焦2煤的粘结性指数也显著增加。
Asphalt, coal tar enamel, fusion-bonded epoxy, polyethylene tape, 2-layer PE and 3-layer PE coatings may be used for corrosion control of underground pipelines.
埋地钢管的外防腐可采用沥青防腐层、煤焦油瓷漆防腐层、聚乙烯胶粘带防腐层、熔结环氧粉末防腐层、二层结构聚乙烯防腐层、三层结构聚烯烃防腐层等技术。
All 6 hatches of the vessel had been closed by wooden boards, covered with 3 layers of tar Pauline and held down by wooden wedges.
全船6个货舱口均系木质舱盖板，面上以三层油布复盖。再以木楔压紧。
Distill coal tar in a tube furnace to generate 3 mix oil , and obtain crude phenol from washed 3 mix oil .
煤焦油经管式炉蒸馏后，酚油，洗油和萘油馏分组成的三混馏分再经过洗涤后获得。
Distill coal tar in a tube furnace to generate 3 mix oil , and obtain crude phenol from washed 3 mix oil .
煤焦油经管式炉蒸馏后，酚油，洗油和萘油馏分组成的三混馏分再经过洗涤后获得。
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