Controlled release of fluid or impurities from a pressurized system

• The purge or discharge of boiler or cooling water

从加压系统受控释放流体或杂质

• 锅炉或冷却水的排污或排放

Trees uprooted, snapped, or flattened by strong wind

• An area of forest knocked down by a storm

被强风连根拔起、折断或刮倒的树木

• 被风暴刮倒的一片林地

Aerodynamic forces limiting a control surface’s maximum deflection

• Loads tending to drive the surface back toward neutral

气动力限制操纵面最大偏转角

• 载荷使其趋向回到中立位置

A quick cleaning by blasting parts with compressed air

用压缩空气喷吹部件进行的快速清理