After adopting ISO standard to testcement strength, equipment for producing cement from phosphor will face the challenge.
我国水泥强度检验方法如采用ISO标准或相当于ISO标准后,磷石膏制水泥装置将面临着严峻的挑战。
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This paper analyzeds the theory base, practice and reliability through the application of low strain reflection wave method to testcement-soil mixing pile.