The bridge and the top of the bus was only ten clearances.桥与公共汽车车顶之间的间隙只有十厘米.When noise and vibration must be restricted, lower clearances are necessary.当噪音和振动,必须加以限制, 降低许可是必要的.Paper - drying machines that operate under ...

clearances的音标：clearances的英式发音音标为：[k'lɪərənsɪz]clearances的美式发音音标为：[k'lɪərənsɪz]...

n.清除( clearance的名词复数 )，许可，（录用或准许接触机密以前的）审查许可，净空...