手动印刷机把手

例句：

1. 1.This manual is designed for beginners.
   这本手册是为初学者设计的。
2. 2. She enjoys doing her laundry by hand.
   她喜欢用手洗衣服。
3. 3.The manual instructions are clear and easy to follow.
   说明书清晰易懂。