22ton 30ton 50ton dị arọ Single Sheave nko ụdị pulley block
Uru ngwaahịa:
Ihe mgbochi pulley bụ nchikota nke ihe eji eme ihe na nke a na-emegharị emegharị, nke nwere ike ịgbanwe ntụziaka nke ike ma dọpụta ihe ahụ na obere mgbalị. A na-echekwa ike karịa.
Pulley nọchiri anya nwere ike ịgbanwe ntụzịaka nke ike, mana ọ nweghị ike ịdọpụ ihe n'enweghị mgbalị ọ bụla. Pulley a na-ebugharị anaghị agbanwe ụzọ ike ahụ, mana ọ nwere ike were ọkara ike dọpụta ya.
Dee ozi gị ebe a ziga anyị ya