time chart时刻: time; hour; moment图: picture; chart; drawing; map进排气孔口开闭时刻图: port timing刻图: needle drawing; engraving◇刻图法 scribing; 刻图工具 scribing tool; 刻图膜 scribecoat; 刻图膜片 scribe coated sheet配气相位 汽门定时 进排气孔口开闭时刻图: porttiming下载手机词典可随时随地查词查翻译