| 释义 |
switch hook
挂钩开关,叉簧开关
A switch on a telephone set, associated with the structure supporting the receiver or handset. It is operated by the removal or replacement of the receiver or handset on the support.
电话机上的一种开关,它安装在支承受话器或听筒的架子上。通过取下或放回支架上的受话器或听筒来实现开关操作。 |