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編號(hào)
Number
規(guī)格
Standard Specification
厚度(mm)
Thick
YGK50
YGK75
YGK110
YGK160
YGK200
YGK250
φ50
φ75
φ110
φ160
φ200
φ250
2.0
2.3
3.2
4.0
4.9
YGF55.9
YGF82.6
φ55.9
φ82.6