短語詞組短語shrinkage e allowance 收縮容許量metal -shrinkage allowance 金屬收縮留量welding shrinkage allowance 焊接收縮量Recommended Shrinkage Allowance Report 推薦的收縮率allowance for shrinkage 收縮裕度;收縮留量;許可收縮量 返回 shrinkage allowance