For the purpose of improving the maintenance management level in corporations in China and with reference to the total productive maintenance in Japan, this paper mainly discusses the contents, functions, and procedures of independence maintenance, employees training and the procedure of maintenance management.

Active Maintenance and Malfunction Remove of CNC Machine Tool;

Through an approach to the content and manner of active maintenance for the hydraulic system in port machinery, and by researching on its pollution controlling and the reasonable replaced period of the hydraulic oil, this paper puts forth a criteria and measure to the active maintenance of hydraulic system of port machinery.

Setting objective cleanliness is a principal problem in the proactive maintenance of hydraulics.

The concept of the proactive maintenance was discussed.

So-called "safeguard sovereignty," means safeguarding in delivering,globalization has resulted in more national exposure to the "transfer",and would not detract from the country s .