knife in浆叶入水倾斜过大knifen.刀v.用刀切割knife-on-blanket coater传送带式胶布刮涂机knife-grinding attachment磨刀附加装置knife for cutting membranes刺膜刀knife for palate operations颚手术刀knife-over-roll coating辊衬刮刀辊涂法knife-grinder whet-stone磨刀轮knife for pulmonal operating肺动脉瓣手术刀knife edge-cutting machine刀刃切割机knife-on-blanket coating垫衬刮涂法knife like silicon tips array刀口型硅尖阵列