midfeather的翻译，读音
英/'mid,feðә/
释义：
中间间隔, 隔板, 挡板, 承板
n. A vertical water space in a fire box or combustion
chamber.
n. A support for the center of a tunnel.
n. A vertical water space in a fire box or combustion
chamber.
n. A support for the center of a tunnel.