词汇	工字柱
释义	工字柱 ɡōnɡzìzhù〔名〕I-column
随便看	automatic retrieving automatic return Automatic Return Fire automatic returning Automatic Return Item Automatic Return Item List automatic return mechanism automatic return of water automatic return to zero position automatic return trap automatic return water switch valve automatic reusability technique automatic revenue collection system automatic reversal automatic reverse automatic reverse current cutout automatic reverse normal automatic reverse pitch automatic reverser automatic reversible battery booster automatic reversing automatic review automatic revolver automatic revolving table automatic revolving type winder