常见例句双语例句The mother of nylon lock, metal lock master, K cap, hex nut, cap-shaped, butterfly hats and all kinds of washers, retaining rings, pins and so on.尼龙锁紧母、金属锁紧母、K帽、六角螺母、盖帽形、蝶形帽及各式垫圈、挡圈、销类等。 返回 hex pins