Tractometer
工况仪, 测功计, 工作测定表
🗣️ 情景例句
In those days, when they made quilts.
那个时代 ，人们做被罩时，
When an opportunity is neglected,it never comes back to you.
机不可失，时不再来；机会一过，永不再来。
This pen doesn't write well.
这钢笔不好写。