来福线 láifúxiàn rifling Definitions Defs Origin Strokes Stroke Words Sentences Sents 来福线 來福線 láifúxiàn rifling helical grooves inside the barrel of a gun; spiral grooves on a rifle or cannon Cross-References Same as 来复线 láifùxiàn膛线 tángxiàn
来福线 來福線 láifúxiàn rifling helical grooves inside the barrel of a gun; spiral grooves on a rifle or cannon Cross-References Same as 来复线 láifùxiàn膛线 tángxiàn
