director telescopeglass sightoptical foresightoptical laying equipmentthe telescopic sight光学: optics; photology; photics瞄准器: sight; sighting device; fore ...光学瞄准: optical laying; optical sighting光学瞄准具: glass sight; optical sighting device; telescope sight光学瞄准线: optical line of sight下载手机词典可随时随地查词查翻译
