defective material

基本解释

Because it is difficult to control rolling process of molybdenum sheet, there is much defective material and low rate of finished products.
钼板轧制工艺过程难以控制，轧废现象严重、成品率低，导致生产成本增大，因而寻求适宜的加工工艺势在必行。
Because it is difficult to control rolling process of molybdenum sheet, there is much defective material and low rate of finished products.
当前钼板轧制工艺过程难以控制，轧废现象严重、成材率低下，寻求适宜的加工工艺势在必行。
The product is guaranteed for 24 months from the purchase date. The importer will remove any defects caused by production and defective material or will replace the device during this period.
产品自购买之日起有24个月的质保期，在此其间进口商将负责消除产品的所有生产缺陷及有缺陷材料或调换产品。

And a brand new kind of software allowed him to use information about the family and their genetic material to find the defective gene.
FORBES: A Tragic Case And A Genomic Hope