新版纸钞在正反面完成后，必须经过严格的质检流程—利用一系列的气动升降装置，通过摄像头进行双面检验。

After the bills get fronts and backs, they undergo an inspection process — a stream of air lifts each sheet so cameras can check each side for defects.

youdao

另有八类十四种功能附件：如气动压脚升降装置、气动切割装置、首部反锁装置等。

Moreover, there are fourteen functional accessories with eight kinds, such as pneumatic presser foot lifting mechanism, pneumatic trimming device and vacuum (the head and the tail) chin cutter etc.

youdao

另有八类十四种功能附件：如气动压脚升降装置、气动切割装置、首部反锁装置等。

Moreover, there are fourteen functional accessories with eight kinds, such as pneumatic presser foot lifting mechanism, pneumatic trimming device and vacuum (the head and the tail) chin cutter etc.

youdao