The centering accuracy problem is solved by centering of numerical control boring machine and the counterweight balance problem is solved by the fixed counterweight a and adjustable counterweight b.
用数控镗床定心解决了定心精度问题，用固定配重a和可调整配重块B解决了配重平衡问题。
The centering accuracy problem is solved by centering of numerical control boring machine and the counterweight balance problem is solved by the fixed counterweight a and adjustable counterweight b.
用数控镗床定心解决了定心精度问题，用固定配重a和可调整配重块B解决了配重平衡问题。
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