Laboratory tshawb fawb
Laboratory yog lub txaj ntawm kev tshawb fawb, lub hauv paus ntawm kev tshawb fawb txog kev tshawb fawb, lub hauv paus ntawm kev tshawb fawb thiab thev naus laus zis, thiab ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev tshawb fawb thiab thev naus laus zis.