前拉紧机构轴总成
front takeup shaft assembly
电磁铁抬刀机构
electro-magnet carrying system for planer cutter head
盾构机刀具
shield machine cutting tool
cutting tool
三面刃铣刀刀柄
tool shank for side milling cutter
套式扩-铰刀刀柄
tool shank for shell core drill and reamer
套式面铣刀刀柄
tool shank for shell face milling cutter
反平行曲柄机构
anti-parallel crank mecha-nism
固定滑块曲柄机构
fixed blockslider crank mechanism