twinter缠绕twinadj.孪生的；紧密联系的n.双胞胎之一twin-rotor layout双旋翼式布局twin dust collector二级捕尘器,二级旋风分离器twinned binary code编织二进制码twin post auto lift双柱式汽车举升器twin-shear theory双剪理论twin crystal growth孪晶生长twin-fluid nozzle双液喷射炮twin-skid chassis双橇式起落架twin channel system双信道制twinning nucleation孪生成核