Experiments demand that accurate measurements be made.
实验要求做到准确的计量。
Balancing machine by mass removing is important equipment in teaching experiments and project measurements.
平衡去重机是教学实验、工程测试中的重要设备。
Balancing machine by mass removing is important equipment in teaching experiments and project measurements.
平衡去重机是教学实验、工程测试中的重要设备。
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