无缺点
zero defect
co-establishment and sharing
ZD
优缺点
Advantages an disadvantages
advantage and disadvantage
Merits and demerits
Merits and shortcomings
Advantages and Shortcomings
merits and drawbacks
merit and demerit
Advantages and disadvantages
The advantages and disadvantages
Pros and Cons
relative merits
advantage and disavantage
engineering quantity
Advantage and Shortage
advantages
Advantage and disvantages