Study on Leakage Reasons of Pilot Valve in the Hydraulic Support;

LNG leakage may possibly happen at any times to LNG receiving terminal and those equipments at seaports, the dangers and damages of which should be paid much attention to.

A coal-cutting machine often occurs leakage,the paper introduces sorts and general selecting rules of seal elements.

Analysis of effect on environment of leak from tank car carrying liquid choline;

A model of letting out of no oil ubricated double whirlpools vortex air compressor was set up,The length of leak line of one cycle was calculated the change of the leak line at work,The change of the length of leak line varying with the crank corner,and the change of the leak amount varying with the pressure of revealing atmospheric and crank corner were analyzed.

With the promotion and pauperization of the network technology application, the dependence on the network of the people is growing day by day; however, when enjoying the net surfing, the people are also bothered by the illegal tracking and revelation of personal computer systems.

Causes and prevention of mechanical seal leakage of circulating pump in copper electrolysis system;