A special device of a crane for operating with containers.
用于操作容器罐的特殊起重机。
The device being tested under operating conditions is put forward by the engineer.
这台设备要在运转条件下试验是这个工程师提出来的。
In addition, the invention further provides a method for operating the portable electronic device.
另外，本发明还提供了一种便携式电子装置的操作方法。
Device for working surface, especially lifting platform, and method for operating such device.
用于表面处理的装置，特别是升降工作的吊盘，和使这种装置工作的方法。
Device for working surface, especially lifting platform, and method for operating such device.
用于表面处理的装置，特别是升降工作的吊盘，和使这种装置工作的方法。
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