铝合金无缝气瓶定期检验与评定 meaning in English
periodic inspection and evaluation of seamless aluminium alloy gas cylinders
Examples
- Periodic inspection and evaluation of seamless aluminum alloy gas cylinders
铝合金无缝气瓶定期检验与评定 - Periodic inspection and evaluation of seamless aluminium alloy gas cylinders
铝合金无缝气瓶定期检验与评定