Verify ac line voltage phase and frequency with the controller data plate on the enclosure door prior to connecting ac power.

在连接交流电源之前，请验证交流电压、相位和频率是否与控制装置外壳门参数板上的相应数据相同。

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The environment control system of Shenzhen Metro project phase 1 design USES the Plateform Screen Door system.

深圳地铁一期工程环控制式采用屏蔽门系统。

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Our company has developed PMSM, the new controller of three-phase asynchronous frequency conversion motor, PMSM matching with the new controller and small elevator door operator without encoder.

与电网供电相比， 变频器供电的异步 电机绝缘系统承受了更高的应力，因而有必要以新的标准对 变频 电机的绝缘系统进行重新考虑。

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Despite the looming threat of being replaced by phase-change memory, contemporary memory modules aren't quite ready to be shown the door -- engineers at Macronix have found a way to revive spent NAND flash cells.

ENGADGET: Macronix plans to heat up flash memory to keep it from burning out