hour counter lock spring
基本释义
时计数器锁杆簧
实用场景例句
学术讨论
We did a science experiment in the lab yesterday.
我们昨天在实验室做了一次科学实验。
The lab report was very detailed and correct.
实验报告非常详细和正确。
校园生活
The lab is full of chemicals and equipment.
实验室里充满了化学物品和设备。
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