The first of at least six metro lines is under construction in Ho Chi Minh City; two elevated railways are being built in Hanoi.

胡志明市计划建设至少六条地铁线路，目前正在建设第一条；河内正在修建两条轻轨。

youdao

Thee first of at least six metro lines is under construction in Ho Chi Minh City; two elevated railways are being built in Hanoi.

胡志明市计划建设至少六条地铁线路，目前正在建设第一条；河内正在修建两条轻轨。 。

youdao

Thee first of at least six metro lines is under construction in Ho Chi Minh City; two elevated railways are being built in Hanoi.

胡志明市计划建设至少六条地铁线路，目前正在建设第一条；河内正在修建两条轻轨。 。

youdao