机械原理 Principle of Mechanics ; Mechanical Principles ; [机] theory of machines ; principle of machinery
机械原理及应用 Mechanical Principle & Mechanical Applications
水力机械原理 Principles of Hydraulic Machinery
机械原理课程设计 Course Exercise of Mechanical Principle ; Course Design for Mechanical Principles ; Project of Machine Theory ; mechanical theory course design
机械原理与机械设计 Mechanical Principle and Mechanical Design
机械原理图 mechanical schematic
流体机械原理 Fluid machinery theory ; fluid mechanical theory
服装加工机械原理 Clothing Machine Mechanics
机械原理及设计 mechanical theory and design
机械设计原理 Principle of Mechanical Designing
在世界上有很多地方，人们都无法使用重型机械，但却知道如何处理风力、航行和基本的机械原理。
There are plenty of places around the globe where people have no access to heavy machinery but do know how to deal with wind, sailing and basic mechanical principles.
由于这些系统的机械原理不同，驾驶员可以自主选择是否通过换档来实现变速。
While the mechanics of these systems are different, the driver gets to choose whether to shift the gears, or not.
垂直的钟面和在水平面上的白色黄金表面上的机械原理能让你准确找出时间，而不用把手旋下。
Vertical dial and mechanism in the horizontal white gold case allow to find out what time it is, without taking your hands off the wheel.
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