needle-through-needle的意思|示意

The needle valve can be closed through the rotation of a needle stem, and the oil cleaning device can also be driven to lift to clean out carbon deposit in the nozzle.

通过针阀杆的旋转即可以关闭针阀 又可以带动清油器升降，清除喷嘴中的积碳。

The ionizer needle 34 is preferably comprised of an electrically charged ionizer needle 34 that provides an electrical charge to particles that flow through the outlet channel 30a.

电离子针34优选地包括带电的电离子针34，用以向流经出口通道30 a的微粒提供电荷。

The First step is threading the needle, the way I do it is to go through the eye then go back to the shorter end of the thread and push the needle through the middle of it.

第一步是穿针。我穿针的方法是：先用针从线的中间穿过去，然后再把线顺进去。