ramp-type sightramsight斜: oblique; slanting; skew; bev ...板式: plate-type; type of metre fo ...瞄准具: vane; sighting device; optic ...觇式瞄准具: aperture sight摆动式瞄准具: yoke-type gun sight下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:斜板式瞄准具，即可在微信中查询翻译
