多项选择题
A.9mm多层板 B.12mm多层板 C.18mm细木工板 D.密度板 E.18mm颗粒板
A.dn+20mm≤开槽深度≤dn+40mm B.dn+40mm≤开槽深度≤dn+60mm C.dn+40mm≤开槽深度≤dn+20mm D.dn+20mm≤开槽深度≤dn+60mm
A.dn+20mm≤开槽宽度≤dn+40mm B.dn+40mm≤开槽宽度≤dn+60mm C.dn+40mm≤开槽宽度≤dn+20mm D.dn+20mm≤开槽宽度≤dn+60mm
A.100mm B.150mm C.200mm D.250mm
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