A tall stepladder stood in front of an opening which the grille had covered . 在原来铁栅栏盖着的那个洞口前面,放着一个高梯凳。
Safety standard for light metals portable stepladder 移动式轻金属折梯安全标准
Safety standard for wood portable stepladder 移动式木折梯安全标准
Aluminium ladder and stepladder 铅合金梯子和活动梯
But i will get a stepladder 但如果你想那样做的话
Safety of machinery - permanent means of access to machinery - stairways , stepladders and guard - rails 机器安全.接近机器的固定方式.楼梯梯子和护栏
Safety of machinery - permanent means of access to machinery - part 3 : stairs , stepladders and guard - rails 机械安全.进入机械的固定方法.第3部分:楼梯活梯和栏杆
Safety of machinery - permanent means of access to machinery - part 3 : stairs , stepladders and guard - rails 机械安全.允许接近机器的固定方式.第3部分:楼梯梯凳和护栏
Swimming pool equipment - additional specific safety requirements and test methods for ladders , stepladders and handle bends 游泳池设备.梯子,脚踏梯和手拉带专门安全要求和试验方法
Safety of machinery - permanent means of access to machines and industrial plants - part 3 : stairways , stepladders and guard - rail 机械安全进入机器和工业设备的固定设施第3部分:楼梯阶梯和护栏