立体仓库英文

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Automate the stereoscopic warehouse

The engine is a power plant, which provides power to drive the automobile． In most automobile engines，the explosive power of the mixture of air and gasoline drives the pistons．The pistons turn a crankshaft to which they are attached The rotating force of the crankshaft makes the automobile’s wheels turn．Some automobiles are powered by another kind of engine，known as the rotary valve，rotating combustion engine or Wankel engine The rotary valve engine also draws in a mixture of air and fuel, which is then compressed and burnt．A motor revolving in an elliptical chamber is connected to a shaft，Which finally drives the rear wheels．In most automobiles．the engine is mounted at the front end of the car，with the clutch and gearbox immediately behind it；the engine, clutch and gearbox are assembled into a single unit A number of systems are necessary to make an engine work . A lubrication system is neededto reduce friction and prevent engine wear. A cooling system is required to keep the engine’s temperature within safe limits .The engine must be provided with the correct amount of air and fuel by a fuel system． The mixture of air and fuel must be ignited inside the cylinder at just the right time by an ignition system．Finally, an electrical system is required to operate the cranking motor that starts the engine and to provide electrical energy to power engine accessoriesLubrication System An engine has many moving parts which eventually develop wear，as they move against each other．The engine circulates oil between these moving parts to prevent the metal-to-metal contact that results in wear． Parts that are oiled can move more easily with less friction and hence power loss due to friction is minimized．The secondary function of lubricant is to act as a coolant and also as a sealing medium to prevent leakages．Finally，a film of lubricant on the cylinder walls helps the tings in sealing and thus improves the engine’s compressions．汽车部件发动机发动机是一种动力机械设备．它为汽车提供动力。在大部分汽车发动机中．空气和汽油的混合气体产生的爆炸性能量驱动活动活塞运动。活塞使它们所连接的曲轴转动。曲轴的转动力量使汽车的车轮转动。一些汽车是由另外一种发动机提供动力的，这种发动机被认为是旋转气门、旋转燃烧或汪克尔发动机。转子发动机也是吸入空气和燃料的混合气，混合气被压缩和燃烧•在一个椭圆形的室内旋转的发动机连接着一个轴，这个轴将最终驱动后面的车轮。大部分汽车中，发动机是架在汽车的前面末端的，离台器和变速箱在它后面，发动帆、离台器和变速箱被装配成一个整体。发动机工作时有很多系统都是必要的。润滑系统可以减少摩擦并减轻发动机磨损。冷却系统被用来保持发动机的温度在安全范围内。发动机必须有燃油系统保证适当数量的空气和燃料供给。空气和燃油混合物必须由点火系统在适当的时间在气缸内被点燃。最后，电子系统被用来控制启动发动机用的电动机和为发动机附件提供电能。润滑系统发动机有许多最终会被磨损的运动部件，因为它们是相对运动的。发动机使润滑油在这些运动的部件间循环，以避免因金属与金属之间的接触而导致磨损。被润滑过的部件能够因为摩擦减少而容易运动，因摩擦导致的能量损失是最小的。润滑油的第二个功能是作为冷却液和防止泄露。最后，气缸壁上的润滑油薄膜有助于活塞环密封并因此提高发动机的压缩性。

automization three-dimensional storage