First, the maintenance staff should have the basic knowledgeBefore the excavator repair, to carefully read the random use of maintenance instructions to the aircraft hydraulic system has a basic understanding. At present, the small and medium-sized excava…
No matter what kind of concrete pump, the working principle is the same, but in some places there are subtle differences, according to a large number of cases of small accidents happened in the past analysis, concrete pump in operation, easy to cause the …
Maintenance is an important means to guarantee the extended service life of rotary drilling rig, and daily inspection is an important supplement. Routine inspection, that is, "three checks" system, is the machine hand, must do every day, must co…
"A country must have the right strategic choice, China is a big country, we must develop the real economy, continue to promote industrial modernization, improve the level of manufacturing, can not (in) the Central Committee of the Communist Party of …
Pick up the debateBank of Communications chief economist Lianping to the new latitude and longitude, said the single from the excavator sales data to determine the economic growth has been warm up is probably insufficient evidence. Excavator sales increas…
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