clearances的例句（clearances在句子中的用法）

• Paper - drying machines that operate under hot conditions usually need C 3 and clearances. 造纸机干燥炎热的条件下运作,通常需要C3和C4清拆.
• 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.
• 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.