这个句子为什么要用不定式the test potential is to be increased to the test voltage不能说成The test potential increased to test voltage吗?

分类: 作业答案 • 2022-06-23 22:40:37

问题描述：

这个句子为什么要用不定式
the test potential is to be increased to the test voltage不能说成The test potential increased to test voltage吗?

答