In 1998, it produced DC motor to drag piston compressor split type electric air conditioning system, solved the adaptability problem in complex trolleybus 's power supply system.
1998年，生产出直流电机拖动活塞式压缩机的分体式电车空调系统，成功解决了空调在复杂的乌龟电车点系统中的适应性问题。
The rings have joints (they are split) so that they can be expanded and slipped over the piston head and into the recessed grooves cut in the piston.
活塞环有接口（也就是有一缝隙），这样可以使端部扩张并滑入活塞上的凹槽中。
The rings have joints (they are split) so that they can be expanded and slipped over the piston head and into the recessed grooves cut in the piston.
活塞环有接口（也就是有一缝隙），这样可以使端部扩张并滑入活塞上的凹槽中。
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