衡器分别根据哪些工作原理制成？
参考答案：
衡器分别根据杠杆原理、传感原理、弹性原理及液压原理等工作原理制成。
面神经颜面部分布，包括颞支，颧支，颊支，下颌支，颈支
Peter _____ a little money every month so that he can buy a car of his own in the near future.[ ]
A. sets aside
B. sets about
C. sets off
D. sets out
