“线轴”造句
一种棘齿装置把线从
线轴转到梭心上。
A ratchet mechanism transfers the thread from spool to bobbin.
操作杆进一步弯曲，
线轴发出刺耳的吱吱声。
The rod bent double, the reel shrieked and ratcheted.
它的穿线过程很复杂,要用三个
线轴.
It has an elaborate threading process that uses three spools of thread.