1_Ҫδɢ_
2TͻOҪOӋҪbTĶbҼTT
3bδb]TOͨ͘ݿڵķT谲b]To]T_]Ҫ
4ٰbTĴС^ķTһǑb3ֻq朵еֻb2ֻеֻb1ֻq4ֻݽzֻb2ֻݽz˹̶
5пpɂָָͨͨ
6xx^ҎTxؾx6-8mmеķT_30-40mm
7TpҎ1.5-2.5mmеĶ_5 mm
8Tˮɰ{rеİbrδȲǿյ
9TҎòÓuTеĹĞuT÷ƓuTҎҲָ
10T߅ȻTϷĿδ