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7、(b)¬_4U,~5OP:~Qbcdx:2006-10-15(lؤRST%15~17),1UMVà^C,²ÐÞ6%WSX,YZ[v]90^_@C:%‘a,eb!"#$34ChongqingArchitecture%1&’()*+,-./(GCL)23%!10-9cm/s。#$%&’()*(+,!-.,0+,!123456),7序号性能指标备注89:;<=>?@A!B@,CD天然钠基1膨润土颗粒3E9<=789:FGHI12,膨润土JKLB89();BN8、X产YZ[6]^;XY_,T+‘a3膨润土膨胀系数≥24ml/2gASTMD5890bc89def3ghij。lm9、}~pq,6成品横向断裂强度≥10KN/m2GB/T15788-1995#pqoLB*t:(1)10、1995d