1. Steel hlws ris thawv yuav tsum yog tshuab- nrum thiab tsis tuaj yeem sib sau ua ke.
2. Lawv yuav tsum ua kom tau raws li qhov yuav tsum tau ua ntawm JBT 8593-1997 Cov Khoom Siv Hluav Taws Xob - Cov Vaj Huam Sib Luag zais, Cov Phaj Hloov Kho thiab Mounting Boxes.
3. Cov khoom siv lub thawv sib txuas yuav tsum yog cov phaj steel.
4. Lub thickness ntawm cov thawv sib txuas yuav tsum tsis pub tsawg tshaj 1.0 hli, thiab lub thickness ntawm tawg - pov thawj hlws ris thawv yuav tsum tsis txhob tsawg tshaj li 3 hli.
5. Lub tshuab ua haujlwm ntawm lub thawv sib txuas yuav tsum ua kom tau raws li qhov kev xav tau ntawm kev ua haujlwm zoo. Thaum lub hlws ris lub thawv muab tso rau hauv av nrog nws qhib tig xub ntiag thiab nqis los ntawm kev quab yuam, nws yuav tsum tsis txhob deform.
6. Lub thawv sib txuas yuav tsum muaj qhov zoo nkauj zoo nkauj, lub ntsej muag du, thiab tsis muaj av.
7. Cov kev tsis sib xws ntawm lub thawv sib txuas yuav tsum ua raws li GB 1245-2005.
8. Cov thawv sib txuas yuav tsum tau ntim rau hauv lub thawv ntawm 100.
