Objective To evaluate sanitary effects on attic type composting latrine.目的评价阁楼式堆肥厕所无害化效果.The shelters with latrine facilities will improve the overall living conditions for vulnerable families.设有厕所的避难场所将改善弱势家庭的生活状况.When ...
那是个偏心轮.That is an eccentric wheel.采用偏心轮和弹簧结构, 研制了口腔修复体疲劳寿命测试机.Using eccentric wheel and spring, an instrument was developed in this study.其整个系统主要由偏心轮夹紧机构、液压泵站和单片机控制系统组成.The whole system mainly consists of eccentric cam h...