词汇	centering diaphragm
释义	centering diaphragm 共轴光圈
随便看	Support for self-extraction files support for support Support for the Aged support for the back support for the body support for the head support for the lame Support for the leader was fraying at the edges Support for the party continues to decline support for thought of design Support for true seamless windows support for trusses Support for user documentation support for workpiece Support Group on Integrated Education support groups Support Gunnery Center support half space support-hangers support hangs moving support-hang system support hardware support frame support frame design support frame for recorder