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Tsev 12 Rau sab kawg 1/2

CHEMXIN yog ib qho ntawm cov chaw tsim khoom lag luam nto moo hom ' 3 Lub tshuab ua kom molecular sieve hmoov. 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 3 Ua kom muaj lub zog molecular sieve hmoov hauv Tshuag nrog peb.

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