单向装置 meaning in English
non return device
single effect unit
Examples
- The structure is same as the one way clutch . it can precisely control the lower roller which will not reverse even for long time used as it is high in
1构造和单向装置一样，能相当精确地控制下轮，长时间使用亦不会使下轮有丝毫的倒退现象，