Chinese translation for "sighthole"

观察孔
检查孔
窥视孔

Similar Words：

"sighter" Chinese translation, "sightglass" Chinese translation, "sightglasswithoutnozzle" Chinese translation, "sighthead" Chinese translation, "sightholder" Chinese translation, "sighthound" Chinese translation, "sighthounds" Chinese translation, "sighting" Chinese translation, "sighting agent" Chinese translation, "sighting allowance" Chinese translation