1. Cov yeeb nkab PPR muaj cov yam ntxwv ntawm lub teeb yuag, kev tiv thaiv corrosion, tsis xeb, kev pab lub neej ntev, thiab lwm yam.
Jan 06, 2020
PPR yeeb nkab muaj ntau dua thiab ntau dua nyob rau hauv lub neej tam sim no, vim tias nws tus kheej zoo thiab cov yam ntxwv ua rau nws nyob rau qhov chaw tseem ceeb hauv kev la...
Jan 05, 2020
Txawm hais tias qhov kev ntxhib los mos ntawd ua tau zoo thiab cov lus hais tau zoo ib yam. PPR leeg feem ntau yog xim dawb, grey, thiab ntsuab hauv khw
Jan 04, 2020
PE yeeb nkab yog ib hom PE yeeb nkab. Cov yeeb nkab maum muaj qhov zoo ntawm lub teeb yuag, lub neej ntev thiab kev tsim kho yooj yim.
Jan 03, 2020
<1>Cov. Cov yam ntxwv ntawm PE roj yeeb nkab1, corrosion tsis kam1>
Jan 02, 2020
Kev teeb tsa thiab kho yog yooj yim thiab yooj yim rau kev khiav lag luam. Muaj ob txoj hauv kev los txuas PE kav dej,
Jan 01, 2020