roof tie的意思|示意

Safety the highly effective convenience drainage system may prevent the valley between roofs and the down-flow pipe damage guaranteed the roof does not tie the snow and ice the icicle.

安全，高效便利的排水系统可以防止屋顶天沟及下水管的损坏，保证屋顶不结冰雪、冰柱。

Safety the highly effective convenience drainage system may prevent the valley between roofs and the down - flow pipe damage guaranteed the roof does not tie the snow and ice the icicle.

安全，高效便利的排水系统可以防止屋顶天沟及下水管的损坏，保证屋顶不结冰雪、冰柱。

Tie it to the roof of your car. Drive around with it all summer.

把它绑在你的车顶上，一整个夏天都带着它到处跑。