The low pressure header shall be brass and shall be near the panel floor with drain valves and tundishes piped to a drain.

低压力头应黄铜，并应靠近排水阀和中间包输送到一个排水板地板。

youdao

I love that fact that when he rises up for a header you know that it has already been won before his feet left the floor.

我喜欢他，当他跳起来争顶的时候，就象你知道的那样，在他的脚离开地面之前注定已经赢了。

youdao

First Brad Friedel made a fantastic double save from the Nigerian, first denying his header and then a shot while the American lay on the floor.

BBC: Kanu's goal was his 50th in the Premier League