“qualification rate”可以造什么句，qualification rate造句

There are a lot of quality problems in the process of corn thresher production which caused the product qualification rate dropped.

This paper analyzed several reasons of low qualification rates and gave several opinions on existential problems of water faucet market and the whole hardware industry.

At the same time, the working period is reduced, the reinforced bar saved and the qualification rate raised. And it is simply operated without open fire and pollution thus worth popularizing.

Hygienic qualification rate is only 65.11 %. More than half of the cleaning facilities are not qualified.