Me longitudinal girth Vuam khoom

Luv hauj lwm:

Me longitudinal girth Vuam khoom no drilling neeg coob yog muab lub txhawb kev siv ntawm Vuam hwj chim qhov twg los (xws li argon yog Vuam / gas ntaub thaiv npog vuam / ntshav vuam). Nws yog ntau yooj yim thiab suitbale ua rau longitudinal thiab girth Vuam rau nyias phaj ua hauj lwm-piece.  


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Me longitudinal girth Vuam khoom

Qhov no drilling neeg coob yog muab lub txhawb kev siv ntawm Vuam hwj chim qhov twg los (xws li argon yog Vuam / gas ntaub thaiv npog vuam / ntshav vuam).

Nws yog ntau yooj yim thiab suitbale ua rau longitudinal thiab girth Vuam rau nyias phaj ua hauj lwm-piece.

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