I have a knowledge of English,which is enough to deal with the work.这句话这么写对吗?是非限定性定语从句吗?如果错了请标注怎么改.希望专业人士来解答!

I have a knowledge of English,which is enough to deal with the work.这句话这么写对吗?是非限定性定语从句吗?如果错了请标注怎么改.希望专业人士来解答!
I have a knowledge of English,which is enough to deal with the work.这句话这么写对吗?
是非限定性定语从句吗?如果错了请标注怎么改.希望专业人士来解答!

I have a knowledge of English,which is enough to deal with the work.这句话这么写对吗?是非限定性定语从句吗?如果错了请标注怎么改.希望专业人士来解答!
我掌握的英语足够我用来应付工作需要.这是非限制性定语从句,which...后面的整个句子都是用来限制英语,表明英语到什么程度