A.30° B.45° C.60° D.90°
A.10mm±1mm B.20mm±2mm C.25mm±2mm D.30mm±2mm
A.8 B.10 C.12 D.16
A.30mm/s B.40mm/s C.20mm/s D.50mm/s
A.20±0.2 B.25±0.2 C.30±0.2 D.35±0.2
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