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CHEMXIN yog ib qho ntawm cov chaw tsim khoom lag luam nto moo 'XH-7 molecular sieve. nrog cov thev naus laus zis siab thiab cov kws tshaj lij, peb tuaj yeem paub koj ntawm nws cov qauv zoo thiab cov qauv. Txais tos kom yuav tus nqi qis XH-7 molecular sieve hauv Tshuag nrog peb.

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