Schistosomiasis, a chronic infection, is caused by three different worm species.血吸虫病属慢性感染, 由三种不同虫种引起.It is of great importance to predict the spreading peak of schistosomiasis.对血吸虫病蔓延高峰期的预测具有深远的意义.Objective : To introduc...
Each year, 280 thousand people die of schistosomiasis also know as bilharzia or snail fever.每年, 有28万人死于血吸虫病,住血吸虫病或者是蜗牛热.Schistosomiasis, a chronic infection, is caused by three different worm species.血吸虫病属慢性感染, 由三种不同虫种引起...
磁系可为径向交替式或轴向交替式.The magnetic system can be in radial alternation type or axial alternation type.特殊的径向游隙或轴向游隙要求,可按订货规定生产.Special radial play or shaft face clearance requirement could be made as specified in orders.大多数轴承都支...