After an earthquake,this kind of i_____can help look for people u_英语解答

After an earthquake,this kind of i_____can help look for people under the buildings.
this kind of后加单数还是复数

人气：497 ℃　时间：2019-10-10 05:08:49

解答

应该填写
instrument
设备
this 这种,意味着后面是单数
震后,这种设备有助寻找楼下的人员