hook type davit 钩式吊柱

pivot type davit 俯仰式吊艇杆

gravity-type davit [船] 重力式吊艇架

Columbus-type davit 倒竿式吊艇架

crescent type davit 月牙型艇架

track way type davit 滑架型艇架

luffing arm type davit 倒臂型艇架

multi-pivot type davit 跨步型艇架

rolling cradle type davit 滚动型艇架

gravity-type boat davit 重力式吊艇架