a life-long learning ladder 终身学习阶梯
access ladder 通道竖梯; 登梯; 通道梯; 入口阶梯; 进出阶梯
accommodation ladder 舷梯; 建设—转让; 码激励线性预测
accommodation ladder chain bridle 舷梯辔链
accommodation ladder davit 舷梯吊柱; 吊梯柱
accommodation ladder manrope 舷梯扶索
accommodation ladder platform 舷梯踏板
accommodation ladder stanchions 舷梯扶索柱
accommodation ladder system 舷梯装置
accommodation ladder winch 舷梯绞机; 舷梯绞车
Accommodation ladder winches 舷梯绞车
adjustable ladder 活动爬梯
aerial ladder 消防梯; 云梯; 消防云梯; 架空梯
aerial ladder truck 云梯车
Agricultural ladder 农业阶梯
algorithm of lattice and ladder form 梯格算法
allelic ladder 分型标准物; 等位基因分型标准物; 等位基因梯阶标准
aluminium alloy herringbone ladder 铝合金人字梯
aluminium alloy ladder 铝合金直梯
an aerial ladder 架空消防梯