Dab tsi yog qhov zoo ntawm rubber O-rings?
Jul 02, 2020
1) Cov qauv cog lus, yooj yim sib sau ua ke thiab disassemble,
2) Static thiab seal ntsaws ruaj ntseg siv,
3) Lub zog hnyav kev sib txhuam kuj yog me me,
4) Kev siv tib daim O-ring foob tuaj yeem ntim rau hauv ob qho kev qhia
