JIS15kg/22kg/30kg (30A) /37A/40n/50n/60/ Cr73/Cr100 GB Railway Track Rail US$450.00-700.00 / Ton 55q 6m Length 30kg/P30 Light Steel Rail for Tunnel Boring Machine US$500.00-650.00 / Ton 55q/Q235 18kg/M P18 Light Steel Rail US$450.00-600.00 / Ton G...
搜索智能精选 题目一体重60Kg的患者连续3次用握力计测量右手握力分别得到24Kg、30Kg、42Kg,那么该患者右手握力指数为( ) A. 40 B. 50 C. 70 E、无法判断 答案C
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