Is a rectangular structure of the advanced rotary control valve.
是一种直角回转结构的高级控制阀。
This paper introduces the Principle, Structure and design of undosed rectangular section punch die.
介绍未封闭矩形截面冲裁模的原理、结构和设计。
This paper introduces the Principle, Structure and design of undosed rectangular section punch die.
介绍未封闭矩形截面冲裁模的原理、结构和设计。
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