可调指向指针
adjustable target pointer
倒虹吸管身
inverted siphon engineering
复合材料身管
composite material barrel
composite gun barrel
composite barrel
composite materials barrels
composite material barrels
composite barrels
piezo coupled barrel
径向身体帮助
rack-supported automated warehouse
农民健身指导员
the director of peasant’s health
涉及多个和未特指身体部位损伤的后遗症
Sequelae of injuries not specified by body region