单词	准骨
释义	准骨substitute bone
随便看	piston oil piston oil hole piston oiling piston oil ring piston only piston packing piston packing leather piston packing ring piston path piston path (piston stroke) pistonphone piston pin piston pin bearing piston pin boss piston pin brass piston pin bushing piston-pin bushing piston pin cap piston pin carrier piston pin,gudgeon pin piston pin plug piston pin retaining ring piston pin snap ring piston (pneumatic) piston (pneumatic) cylinder