天天天天香蕉线视频国产_日韩美女少妇免费观看_久久久噜嚕噜久久久_无码A级免费黄色视频

SBZJ series telescopic boom type walking pile machine gathers all the experts, the upper column can be retracted and replaced in transportation, saving a lot of expenses and trouble in hoisting and disassembly and assembly; when turning at short distance, it is convenient and fast to perform its own steps, saving time and cost. Efficient, economical and practical. It can be used in many kinds of working equipments, such as guide rod diesel hammer, cylinder diesel hammer, vibration hammer, hydraulic hammer, long screw drill, etc.