cross recessed raised countersunk head thread forming screws
Related Translations:
十字: cross; cross-shaped, like letter“+”;stauro- (stauromedusae 十字形水母)：画十字花押 make one's cross; 如果你不会签名画个十字来代替。if you can't sign your name, make a cross instead.◇十字镐 pick; pickaxe; mattock; moyl
攻削结合: combination of arrack and chopcombination of attack and chop
