chevronn. V形袖章、鋸齒形花飾人字形學術名詞人字齒輪:紡織科技人字型:電機工程人字紋:電機工程人字型板:電機工程鋼料脆性破裂面:金屬材料Λ型:核能V型臂章:海事英文釋義V-shaped sleeve badge indicating military rank and servicean inverted V-shaped charge