model machine

• 样机

model machine的用法和样例：

例句

1. The samples of the machine have been sold to a foreign company.
   这种样机被一家外国公司买去了。
2. It analyses the locomotion mechanism, and makes three model machines with different vibration angular.
   分析了该机构的行走机理，制作了振动角不同的三台样机。