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管道设计 guǎndào shèjì
eng.geol. piping design
oil pipeline design
tech. channel design; duct design; pipe design
管道设计 guǎndào shèjì
tech. duct design
管道设 计
: 16 phrases in 8 subjects
Earth sciences1
Ecology1
Oil / petroleum3
Oil processing plants1
Project management1
Refrigeration3
Technology5
Water resources1