单词：underframe
音标：['ʌndә,freim] ；
底架[框], 底座
n the internal supporting structure that gives an artifact its shape
词型变化：名词复数形式 : underframes
underframe的用法和样例：
例句
用作名词(n.)
- Then select the corresponding modules based on the underframe assembly into 3D models.然后根据实际要求选择相应的模块，组装成底架的三维模型。
词汇搭配
- carriage underframe车子底盘
- composite underframe复合结构底架...
- complete chassis underframe总成的底盘架...