燃气比例阀的分解图:改为同意据。啊啊啊
来源:百度文库 编辑:神马品牌网 时间:2024/07/18 03:28:25
The shoes need mending .
The shoes need _____ _____ _____
The shoes need _____ _____ _____
to be mended
need to be done=need+动词ing形式
to be mended
need to be done=need+动词ing形式