高频闭锁保护
参考答案:
利用距离保护的启动元件和距离方向元件控制收发信机发出高频闭锁信号,闭锁两侧保护的原理构成的高频保护。
请根据首字母或汉语提示完成句子。
小题1:Selling cigarettes to teens is considered i_________ in many countries.
小题2:I r________ Tom at the sight of him in the street though we haven’t seen each other for years.
小题3:People often judge you by the first i___________ you make.
小题4:I would a___________ it if you carry the box for me.
小题5:He is proud that his son has been a___________ to Oxford University.
小题6:We __________(交换) our addresses when we met for the first time.
小题7:Doctors are aiming to _______________(集中) more on prevention than cure.
小题8:Do you like a live show or a ______________(录制的) show ?
小题9:That did great harm to the health of those _________ (上瘾的) to drugs
小题10:He was so lucky that he ________ (幸存) the traffic accident.
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