Ihe dị iche n'etiti 2 ụdị n'ibu grapple

Nhazi dị iche iche nke "3-ntụtụ" na "4-ntụpọ" maka ụdị abụọ nke grapples n'ahịa.Kedu uru nke "4-pin" anyị mere?Biko hụ akụkọ
1.What bụ "3-atụdo" na "4-atụdo" n'ibu grapples?
Enwere ike ịhụ ọdịiche ahụ nke ọma site na foto.The "3-pins" n'ibu grapple nwere 3 ntụtụ na otu ntụgharị ntụgharị na pin ịwụ.(Lelee foto dị n'aka ekpe)
N'ụzọ doro anya, "4-pins" igwe grapple dị na foto dị n'aka nri nwere ntụtụ 4.(Lelee foto n'aka nri)
Nke a bụ ihe dị iche na nhazi ha.

2.Gịnị mere anyị grapple a "4-atụdo" imewe?
Uru nke imewe 4-pin:
1.4-pins" grapples nwere ike iji ngwa ngwa coupler, mana "3-ntụtụ" enweghị ike iji njikọ njikọ ngwa ngwa.
2.The "4-ntụtụ" grapple mkpisi na ogwe aka na-etolite a quadrilateral.(dị ka foto ziri ezi).Mmeghe nke grapple buru ibu ma na-agbanwekwa aka.
Osisi grapple nke "3-pin" na ogwe aka na-etolite triangle.(dị ka foto aka ekpe)
Nke a na-ebute oghere dị nta

Ugbu a ị kwesịrị ịma ihe mere anyị ji mee "4-pins" n'ibu grapples.
Ọ bụrụ na ị chọrọ a n'ibu grapple, biko nweere onwe ịkpọtụrụ anyị na RSBM ga-enye gị ezigbo price na ezigbo grapple!