and now there are twice as many 其中as many 什么成分

问题描述:

and now there are twice as many 其中as many 什么成分
原句是:we already have had a few seats which were suitable for wheelchair users,and now there are twice as many,which we hope will meet demand.我们之前有一些适合轮椅使用者的座位,现在他们的数量增加了一倍,我们希望这能满足需求.

省略了一个字
there are twice as many (seats)
指现在的座位比以前多了一倍