单词	vesperals
释义	同vesperal
随便看	screw controller screw conveyer screw conveyor screw conveyor for package screw conveyor furnace screw core pin screw coupling screw crusher screw current screw current meter screw cutter screw-cutter screw cutting feed screw cutting gear screw cutting lathe screw-cutting lathe screw cutting machine screw cutting machine-- threading machine screw cutting machine; threading machine screw diad screw die screw dislocation screw dislocation--defect screw displacement screw displacement matrix