water may be as low as 50%是什么意思-减少了50%还是减到50%

问题描述:

water may be as low as 50%是什么意思-减少了50%还是减到50%

减少到

as xxx as 跟 the same xxx as 意思是一样的
和。。。一样
减到50%

减到50%

减少百分之五十和减少到百分之五十有区别吗?汗一下