Mechanical engineersalso work on power-producing machines.
举一反三
- 电动机的额定功率是指（ ） A: 输出的机械功率 output mechanical power B: 输入的机械功率input mechanical power C: 输入的电功率input electric power D: 输出的电功率output electric power
- Water wheels are machines that use the energy of ______ to turn a wheel. The axle of the turning wheel can then power other machines to do work.
- The temperature ____ which machines work normally is 28°C.
- The ethical and moral problems caused by intelligent machines and robots may be contrary to human moral concepts, so we should stop developing intelligent machines.
- Heat energy and energy are the middle processes of energy transformation in an electric power plant. (chemical / mechanical)