trailing cone calibration method拖: pull; drag; draw; haul锥: awl awl-shaped things校准: calibration; correct; align; ...法: law校准法: calibrating method; calibration method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:拖锥校准法，即可在微信中查询翻译
