keyhole e saw的意思|示意

钥孔锯 ... keyer r 键控器，定时器 keyhole e saw 钥孔锯 keying g signal 键控信号，开关信号 ...

钢丝锯 ... keyed d pointing 凹形勾缝 keyhole e saw 钢丝锯 keying g in 用石楔咬紧 ...

键孔锯 ... keyer r 键控器 keyhole e saw 键孔锯 keying g amplifier 键控放大器 ...