定调管的英文怎么说

定调管的英文：
pitch pipe

deliver a pitch
竭力推销

the pitch was away (or wide); an outside pitch.
那个球投歪了；一个偏外的坏球。

We should pitch it within and without with pitch.
我们应该内外都涂上沥青。

The boys pitched a tent by the river.
男孩子们在河边搭起了帐蓬。

They pitched up for the night.
他们扎营过夜。

He only played the pipe.
他只不过是吹吹笛子罢了。

They piped the captain on board.
他们以笛声欢迎船长登船。

On the right was a clutter of pipes and debris.
右边是乱七八糟的管子和破碎杂物。

Every pipe is voiced and tuned.
每支音管都要修音调律。

pipe edges sewing machine
滚边缝纫机