movable jaw

基本解釋

The upper jaw is movable and the teeth are large, strong and laterally compressed.
上的下巴是可移動和牙齒是強、橫向壓縮的大型。
The pipe tongs is mainly composed of a fixed jaw, a movable jaw, a racket wheel, a spring, a pawl, a movable pin and a connecting pin;
主要由固定鉗口、活動鉗口、棘輪、彈簧、棘爪、活動銷和連接銷等組成。
ip.com
The movable jaw suspending bearing (eccentric bearing) of PEXD style inverted fine jaw crusher suspends reversely at the bottom of the machine.
PEXD型倒懸掛細碎顎式破碎機的活動顎板懸掛軸（偏心軸）倒懸掛在機器的底部。
http://www.chazidian.com