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Apr 10 2020 if you purchased cement without sand already mixed in add 3 or 4 shovels-full of sand to the soupy concrete mixture then stir until the sand has been worked in.The technically correct ratio of mixing cement with sand is 1 part cement 3 parts sand and 3 parts water.
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Adopt sealed dust removal design, less dust, low noise, low carbon and environmental protection
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Provide door-to-door installation services, guide the training of operating personnel, and ensure the effective operation of the machine
Provide regular return visit service to help users optimize maintenance equipment, analyze and solve problems