All components necessary for the required tests are housed in a rugged case on wheels.
All components necessary for the required tests are housed in a rugged case on wheels.
所有测试必须的部件都集中起来装在一个带轮子的拖箱里，使用起来很方便。
All components necessary for the required tests are housed in a rugged case on wheels.
所有测试必须的部件都集中起来装在一个带轮子的拖箱里，使用起来很方便。