Ntchito yamalonda:
Amagwiritsidwa ntchito m'madzi ozizira am'mafakitale ndi aboma, madzi otentha, Kutenthetsa, mapaipi otentha a gasi, njira yozimitsa moto paipi ya solar ndi mapaipi apakati, ndi zina zambiri.
Kutsatira kwanthawi zonse:
| GB/T 19228 YB/T 4204 |
| GB/T 12771 QB/T 2467 |
| Chithunzi cha JIS G3448 |
| EN 10312-3S |
