肝管汇合部
conjunctive region of hepatic duct
合成氨工业
synthetic ammonia industry
合成氨工业废水
Synthetic ammonia wastewater
合成氨工业生产
synthetic ammonia industry
合成氨技术
synthesizing ammonia technology
合成氨净化装置
ammonia purification unit
合成氨联产甲醇装置
Synthetic ammonia plant with combinative production of methanol
合成氨—联醇系统
ammonia synthesis-system combining with methanol
合成氨料
synthetic ammonia feedstock
合成氨流程
ammonia synthetic process
合成氨生产装置
ammonia synthesis production plant