铝及铝合金管材外形尺寸及允许偏差 meaning in Chinese
wrought aluminium and aluminium alloy tubes--dimensions and deviations
wrought aluminium and aluminium alloy tubes-dimensions and deviations
Examples
- Wrought aluminium and aluminium alloy tubes - dimensions and deviations
铝及铝合金管材外形尺寸及允许偏差