Dab tsi yog khi xov hlau o tshuab?

Dab tsi yog khi xov hlau o tshuab?

Chaw ua hauj lwm cov khoom siv khi hlua khi O Spooling Tshuab yog ib qho ntawm cov tshuab nquag siv rau cov chaw ua haujlwm cov khoom khi. Nws yog dav txais tos los ntawm cov neeg siv khoom hauv khw thiab kuj yog ib qho ntawm peb cov khoom tseem ceeb.

1. Uantej-txiav / spools lossis A 4 loj

2. Ntau yam xim rau xaiv,

3. SGS xeem,

4. Kev Qhia Tshwj Xeeb -size los ntawm 1 / 4 & quot; to1-1 / 2 & quot;

5. Muaj nuj nqi; nws yog qhov haum rau phau ntawv khi, daim ntawv qhia hnub, phau ntawv nco, phau ntawv teev keeb kwm, phau ntawv,

6. Nws haum rau cov khoom siv hauv chaw ua haujlwm.

7. Zoo zoo raws li European tus qauv.