- roll designer
- 孔型: pass; roll pass
- 设计: devise; project; plan; desig ...
- 人: human being; man; person; pe ...
- 孔型设计: calibrating; design of grooves; design of passes; designing; grooving; pass design
- 蝶式孔型设计: butterfly destgn
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孔型设计人的英文
发音:
- roll designer
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