Xov xwm

1) Txhim kho qhov hluav taws xob qis los daws qhov teeb meem ntawm qhov cub hauv qab to. Qhov tshwm sim ntawm qhov kev hloov pauv no kuj muaj qhov ...

Mannheim rauv ua haujlwm nyob rau hauv qhov kub thiab txias thiab muaj zog corrosion. Thaum lub sijhawm ua haujlwm, nws nruj me ntsis ua raws li co...

Folding qhov cub txoj kev: Tom qab kev tsim kho ntawm Mannheim rauv ua tiav, lub ntuj ziab yuav tsum tau ua ua ntej. Tag nrho cov qhov rooj nkag, c...

Yam ntxwv: (1) Txoj kab uas hla ntawm lub cub tawg ncaj qha txiav txim siab txog kev tsim khoom. Lub peev xwm ntau lawm ntawm Mannheim rauv feem nt...

Lub tshuab hluav taws xob Mannheim, tseem hu ua potassium sulfate cov tshuaj tiv thaiv rauv, yog cov khoom siv tseem ceeb rau kev tsim cov poov tsh...

Muaj nuj nqi: 1. Ua tiav kev tso cai tswj kev ua haujlwm kom muaj kev ruaj ntseg ntawm cov ntaub ntawv SOP ntawm cov kab ntau lawm, nrog rau cov ca...

Nrog rau kev loj hlob sai ntawm kev lag luam kev lag luam thiab kev vam meej ntawm kev tshawb fawb thiab thev naus laus zis, kev lag luam hauv comp...

Cov yam ntxwv tseem ceeb ntawm kev lag luam muaj kev vam meej yog qib ntawm cov neeg siv khoom tsav, uas yeej ua tiav cov neeg siv khoom txaus siab...