Crown-drilling pumping sand:
Overview drilling type pumping sand: This type of drilling equipment for pumping sand, sand pumping partly mechanical systems. Applicable to reservoirs or rivers of mud layer pumping sand and so on. Sand pumping equipment easy to operate, high efficiency, investment and quick, easy maintenance, low fuel consumption, low pollution. Sand pumping equipment to adapt to the environment: in the river mud layer, (≤20%) content of less gravel, stone diameter of not more than 30mm. Temperature: up to 40 ℃, minimum -10 ℃ maximum wind speed is not more than four.
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