水囊(3)通过水囊管(4)在尾部连有一个单向阀(5)。

The water bag (3) is linked with a one-way valve (5) at the tail by a water bag pipe (4).

youdao

水囊(3)通过水囊管(4)在尾部连有一个单向阀(5)。

The water bag (3) is linked with a one-way valve (5) at the tail by a water bag pipe (4).

youdao