Piav qhia txog kev siv lub thawv threading uas tiv thaiv ignition nyob rau hauv hluav taws xob installation nyob rau hauv cov huab cua tawg.
Piav qhia txog kev siv lub thawv threading uas tiv thaiv ignition nyob rau hauv hluav taws xob installation nyob rau hauv cov huab cua tawg.