鲁奇煤加压气化制氨装置工艺流程长、技术复杂。
Lurgi coal pressured gasification ammonia production equipment has long process flow and complex technology.
要纺制高质量的氨纶包芯纱其操作方法也极为重要。
The operation method is also important to spinning corn-spun yarn of high quality polyurethane.
要纺制高质量的氨纶包芯纱其操作方法也极为重要。
The operation method is also important to spinning corn-spun yarn of high quality polyurethane.
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