on-hook
导读：on-hook读音音标
英 [ənhʊk]美 [ənhʊk]
on-hook意思解释
释义挂机状态； 英英释义 On-hookIn telephony, the term on-hook has the following meanings:
英 [ənhʊk]美 [ənhʊk]
on-hook意思解释
释义挂机状态； 英英释义 On-hookIn telephony, the term on-hook has the following meanings:
on-hook读音音标
英 [ənhʊk]
美 [ənhʊk]
on-hook意思解释
释义
挂机状态；
英英释义
On-hookIn telephony, the term on-hook has the following meanings:
