... two-stage operation: 二期手术 two-stage operation: 二段操作 one-stage operation: 一期手术 ...
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二段操作
Two-stage operation
以上为机器翻译结果，长、整句建议使用 人工翻译 。
有些设计者和操作者需要在二段转化炉外壳涂以此种油漆。
Many designers and operators require such paint on their secondary reformer shells .
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整型上压刀采二段式行进，操作安全，鞋面中心定位准确。
The upper press plate goes downward with two steps control can not only be safety for operator but also ensure better molding results.
应用推荐
模块上移
模块下移
不移动