England's taboo and custom Three taboos Cannot the gasser English have the custom which lines up.
英国的禁忌与习俗三个禁忌不能加塞英国人有排队的习惯。
The problems and the solution of blast furnace tuyere in the casting are introduced. Measurements on lowering gasser and needle hole is analysed.
介绍了高炉风口在铸造中遇到的问题和解决方法，讨论了降低气孔、针孔的工艺措施。
The problems and the solution of blast furnace tuyere in the casting are introduced. Measurements on lowering gasser and needle hole is analysed.
介绍了高炉风口在铸造中遇到的问题和解决方法，讨论了降低气孔、针孔的工艺措施。
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