bladern.平路机；叶片安装工；溜冰的人bladen.刀刃；刀锋；桨叶；叶片blade camber叶片弯度blade socket桨叶插座blade holder锯条夹,磨刀夹blade lattice叶栅blade rupture叶片断裂blade cluster刀片集群blade crusher叶片式破碎机blade antenna刀形天线blade tipping浆叶削尖blade grinder磨刀石,磨刀砂轮