常用机械 meaning in Chinese

conventional machinery

Common mechanical soft driving device of mine belt conveyor
煤矿胶带输送机常用机械软启动装置
The wms is composed of specialist recommending module , instance module , the amount of soil film estimating module , frequent ask question & machine module . the weight - based rule , the product rule and the model - based rule is established to present the knowledge . the wheat mulching experiment bank of part loess plateau , the spatial resolving rate is town ( xiang in china ) , is set up
子系统由专家推荐模块、实例查询模块、地膜用量模块、常见问题和常用机械模块组成；系统采用了基于权重规则、基于产生式规则和基于模型的知识表示方法；建立空间分辨率为乡(镇)的黄土高原部分地区的小麦地膜试验数据库；给出了地膜用量的计算模型，适用于不规则田块地膜用量的估算。