他对机械原理有深入的了解。

He has a deep understanding of mechanical principle.

这个课程将教你基本的机械原理。

This course will teach you the basic mechanical principle.

工程师们经常使用机械原理来解决问题。

Engineers often use mechanical principle to solve problems.

这个机器的设计基于一个简单的机械原理。

The design of this machine is based on a simple mechanical principle.

学习机械原理可以帮助你理解机器的工作方式。

Studying mechanical principle can help you understand how machines work.

在机械原理下工作的装置。

A device that works on mechanical principles.

工作技能：对断路器电气及机械原理有较深入的理解。

Job skills: electrical and mechanical principles of circuit breakers have a more in-depth understanding.

火箭专家向学生们解释了火箭的机械原理。

The rocketeer explained the mechanics of the rocket to the students.

了解内燃机工作原理和机械原理.

Know about inner combustion engine principle and mechanical theory.

很多机械原理都显而易见

Some of the principles of mechanics are very obvious,