您要查找的是不是：
- the needle bar meehanism 针杆机构
- Turn the handwheel to move the needle bar up to its highest position. 转动飞轮,把针杆上升到最高部位。
- The Mechanism Under the Needle Bar Easy to Operate and Handle Different materials. 切线位于针杆下侧易于操作,并可处理不同面料。
- Insert the needle into the needle bar until it will go no further. Securely tighten the needle clamping screw. 把机针深深地插进孔的深处，然后拧紧固定机针固定螺丝。
- Positioning the needle bar. 决定针杆的高度。
- The part of an embroidery machine which contains the needle bars, presser feet, and relative parts. 绣花机器的一部分,包括针条,压机脚和相关部分。
- Do you know who put him on the needle and supplied him? 你知道谁诱使他嗜毒成瘾并供给他毒品吗？
- The needle went into my hip with a prick. 针一下刺进了我的臀部。
- The thread goes through the eye of the needle. 线穿过针眼。
- The girl threaded the needle for her mother. 女孩为妈妈穿针。
- The needle jumps on this record. 唱针在这张唱片上跳针。
- The girl winced when the needle went in. 进针的时候那女孩皱了皱眉。
- She grimaced as the needle went in. 针扎进去痛得她龇牙咧嘴。
- She threaded the needle for her grandmother. 她为祖母穿针。
- The needle of a compass points to the north. 罗盘的指针指向北方。
- The needle pulsates when the engine is running. 发动机开动时指针就颤动.
- One example is the needle blight. 针叶萎凋病就是一例。
- The needle thread tension is excessive. 上线张力过强。
- She jabbed the needle into her finger. 她的针扎了手指。
- The needle of a compass always points to the south. 罗盘的指针永远向南。
