the mountain in labour
费力大收效小… Read the rest
费力大收效小… Read the rest
经 会计数据(资料)处理… Read the rest
电 极间电阻… Read the rest
*[,nekrәu’dʒenik]
a. … Read the rest
电 无功因数… Read the rest
医 太斯氏法, … Read the rest
电 阴极电位… Read the rest
计 电动机械打印机… Read the rest
机 精密倾斜水平仪… Read the rest
医 负半波遏抑器… Read the rest