【生活】用于压缩空气清洁的吸尘器

microsurgical suction handle and tips

conveyer chain with means for load the load(magnet-, suction gripper)

minimum static suction head【机】

suction dredger (pump dredger)

cutter-suction dredge

suction potential

suction cleaner with power-driven air compressors

circular back-plate with suction means for securing abrasive sheets