常見(jiàn)例句雙語(yǔ)例句Your guide hand is placed above the belay device friction brake.您的導(dǎo)向手應(yīng)放在繩栓摩擦制動(dòng)裝備上面。out800.comBelay plates and tubes hold a fall by pulling the device closer to the krab forcing the rope into a 'Z' shape thereby increasing the friction.確保器制止墜落的方式,藉著把確保器拉近鉤環(huán),迫使繩子彎成Z字形增加摩擦力。Petzl's Gri Gri is the most popular auto-locking belay device in use today, most of its problems are to do with the Gri Gri's misuse rather than its design.Petzl的Gri Gri確保器是今天最多人用的自動(dòng)確保器,大部分的問(wèn)題在于處理使用上的錯(cuò)誤而非設(shè)計(jì)有問(wèn)題。 返回 belay device