1 . 腺
gland(甲狀腺)、Lung(肺)、Salivarygland(唾液腺)、Pancreas(胰)、Liver(肝)、Testes(睪丸)、Mammarygland(乳腺)等。
2 . 壓蓋
gib 鑲條,襯墊,楔塊gland壓蓋,密封套glass 玻璃
3 . 密封壓蓋
glacier 冰河gland密封壓蓋glandcock 密封栓塞
4 . 封頭
圖文Rear glandis made by two sets of sheets which are caulked in the shaft and in the glandbody. 汽輪機汽封為迷宮式。前封頭(gland)的密封板填隙在軸.