Macrometer
测远器, 测距仪, (光学)测距器
🗣️ 情景例句
How many brothers and sistes do you have?
你有多少个兄弟姐妹？
We'd like you to consider our request once again.
我们希望贵方再次考虑我们的要求。
Oxygen is widely used in ship repairs for cutting and joining metal plates or pipes.
在船舶修理过程中，常常使用氧气切割和焊接金属板或金属管。