A.0.2 B.0.3 C.0.4 D.0.5
A.蜘蛛手吸風(fēng)弱 B.瓷刮刀磨損或角度不對(duì) C.煙支圓周過(guò)小或?yàn)V嘴圓周過(guò)大 D.搓煙鼓與搓板間隙不當(dāng)