预制混凝土构件质量检验评定标准 meaning in English
gbj321-90
standard for quality inspection and asswssment of precast concrete members
tandard for quality i ection and a w ment of precast concrete members
Examples
- Standard for quality inspection and asswssment of precast concrete members
预制混凝土构件质量检验评定标准 - Quality inspection and assessment of prefabricated concrete structural members
预制混凝土构件质量检验评定标准