range-finding test范围: scope; limits; extent; bound ...探测: survey; search; sound; probe ...试验: experiment; test; trial范围探测器: proxsensor激光范围探测器: laser range finder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:范围探测试验,即可在微信中查询翻译