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The spiral duct forming machine is mainly used for making round spiral air duct. Adopting duct mold structure, this machine is faster with more coincident diameter than traditional steel strip type spiral duct making the machine. The length of duct…
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An ultrasound scanner, sometimes called a sonogram, is a procedure that uses high-frequency sound waves to create an image of part of the inside of the body. An ultrasound scan can be used to monitor an unborn baby, diagnose a condition, or guide a…
