3.81mm uchungechunge lwe-pitch
Izigaba zomkhiqizo we- 3.81mm uchungechunge lwe-pitch , singabakhiqizi abakhethekile abavela eChina, 3.81 ucingo ezixhumi ezixhunyiwe zebhodi , 3.81 Izixhumi abahlinzeki / ifakethe, imikhiqizo yekhwalithi ephezulu ye- Izixhumi ze-Zooke R & D kanye nokukhiqizwa, sinemisebenzi ephelele emva kokuthengisa nokusekela lobuchwepheshe. Bheka phambili ukubambisana kwakho!