back blade信息详情
背叶片
blade───n.叶片；刀片，刀锋；剑
conquerors blade───征服者之刃
fillet blade───圆角叶片
super blade───超级刀片
safety blade───安全刀片
breaker blade───破碎机叶片
fan blade───风扇叶片；风机叶片
vapid blade───枯燥的叶片
wielded blade───挥舞的刀锋
But when flying forward the air passing over the blade that is advancing to the front of the helicopter (and so into oncoming air) provides more lift than the one that is retreating to the back.───但是当向前飞行时，它的旋翼将转向直升飞机的前方(如此一来，就变成朝向迎面而来的空气)，经过叶片上方的气流将比经过叶片背面的气流产生更大的升力。
Series produced by the tool are: woodworking cutter, alloy discharge drilling, drill steel front, the fork blade, back blade, vertical knife, circular saw blades, etc.───公司生产的刀具系列有：木工铣刀、合金排钻、锋钢钻头、叉刀、背刀、立轴刀、圆锯片等；
Whether you're aiming for layers of plywood or cardboard or a bale of hay, if that foot-long blade hits an Angle, it could come ricocheting back at you.───不管是几层胶合板、纸板还是一大捆干草，万一飞刀打在不平的表面上，它很可能会朝你自己反弹回来。
there exists an area prone to cavitation in inlet of back blade;───叶片进口背面有一个低压区，此处易发生汽蚀；
Analysis on Combinatory Seal of Back Blade and Oiltight───背叶片与油封的组合密封特性分析
Series produced by the tool are: woodworking cutter, alloy discharge drilling, drill steel front, the fork blade, back blade, vertical knife, circular saw blades, etc.