stack of gauge blocks的意思|示意

块规组 ... 夹子 clamp; folder; tongs; clip; cramp iron; kep; attachment clip; clinch; hook; bracket; staple bolt; traps 点心夹子 cake tongs; 弹簧夹子 spring clip; 衣服夹子 clothes-peg; clothespin; 皮夹子 wallet; pocketbook; 文件夹子 folder; binder 块规组 stack of gauge blocks 标准块规 standard block gauge; standard hardness block ...