hat
Avantaj: Boom nan se simetri ranje ak yon estrikti simetrik. Se bra a telescopic konekte nan bra a baz sou aks la menm. Bra a telescopic se dirèkteman konekte nan bra a baz nan pikèt la. Pa gen bra konekte, pa gen okenn fòs lateral, pa gen okenn konsantrasyon estrès, pa gen okenn rive Fatig bravo, se konsa sistèm lan boom se pi plis ki estab ak vwè.
eng
Advantages:The boom is symmetrically arranged with a symmetrical structure. The telescopic arm is connected to the base arm on the same axis. The telescopic arm is directly connected to the base arm through the pin. No connecting arm, no lateral force, no stress concentration, no happen Fatigue cracking, so the boom system is more stable and reliable.