扣: Ⅰ动词1.(套住或搭住) button up; buckle 短语和例子把门扣上 latch [bolt] the door; 把皮带扣上 buckle a belt; 把衣服扣上 button (up) one's coat; 扣钮扣 do up the buttons2.(把有口的器物倒过来或罩在别的东西上) place a cup, bowl etc. upside
Production lot , and pieces , valves , and plastic assembly equipment , while the first series of products 生产胶管、管件、阀门、扣头设备及胶管总成等系列产品。
2.
Miya ' s major product line include self drlling screw serial and mean - while we also have sub production line for drywall screw , chipboard screw and tapping etc 我公司主导产品为钻尾螺丝系列（六角华司头、盘头、钮扣头、喇叭头、六角法兰头、小仔头等） ，同时也生产干壁钉、纤维板钉和自攻钉等自攻类螺丝。
