楔形木块 wood wedge

堵漏木楔 wooden wedge ; emergency wooden wedge

胶木槽楔 bakelite wedge ; textolite wedge

双向木楔法 [木] counter wedging

卸架木楔 wood wedge for centering unloading

封舱木楔 battening wedge

楔形垫木 bevelled sleeper

伐木楔 [林] felling wedge