ntse cacuum plug tshuab
Lub tshuab tag nrho yog tsim los ntawm kev txawj ntse CCD system couterpoint, nrog nws tus kheej lub tshuab nqus tsev ntsaws qhov ntu, nws tsim nyog rau siab viscosity resin plug qhov, siv hauv tsev thiab txawv teb chaws paub zoo hluav taws xob kho vajtse teeb tsa, nruab nrog lub tswv yim tsim siab heev. thiab ruaj khov mechanical qauv piv, thiab ib tug xov tooj ntawm patent technology txhawb.
