Terms for subject Telecommunications containing hook switch

English	Chinese
hook switch	叉簧
hook switch	电话机的钩键
switch hook	叉簧
switch hook	电话机钩键
switch hook signal	叉簧信号
switch-hook flashing	"拍叉簧"信号相当于按"R" 键
telephone hook switch	电话机叉簧
telephone hook switch	电话机钩键