The laboratory equipment is the latest comprehensive analyzer in China. One instrument can satisfy C, S, Mn, P, Si, Cr, Ni, Mo, Cu, Ti, V, Al in steel and its alloy materials. , W, Nb, Mg, total amoun...
The principle of home electronic sphygmomanometer adopts oscillometric method, which is accurate in principle. Its clinical verification is designed by auscultation method as a standard and statistica...
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