Ntawm cov 111 cov khoom soj ntsuam los ntawm Zhuochuang Cov Ntaub Ntawv, 38 cov khoom tau nce lub voj voog no, suav txog 34.23%;50 cov khoom tseem nyob ruaj khov, suav txog 45.05%;23 cov khoom poob, suav txog 20.72%.Peb cov khoom lag luam sab saum toj uas sawv yog phthalate, roj hmab accelerator, thiab isopropyl cawv, ...
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