常見(jiàn)例句雙語(yǔ)例句As for me, I was upset over that bolt.至於我，我是不高興，較螺栓。Cold upset female die of fillister head is the key mold in the manufacturing process of heading bolt.冷鐓圓頭凹模是冷鐓螺栓生産過(guò)程中的關(guān)鍵模具。 返回 upset bolt