Propagate way is one of three basic link that infectiousdisease take place.It is Important meaning to prevent porcinedisease that understanding spread way of porcine disease and A-dopting the effective measure of cutt...Propagate way is one of three basic link that infectiousdisease take place.It is Important meaning to prevent porcinedisease that understanding spread way of porcine disease and A-dopting the effective measure of cutting off.展开更多
文摘Propagate way is one of three basic link that infectiousdisease take place.It is Important meaning to prevent porcinedisease that understanding spread way of porcine disease and A-dopting the effective measure of cutting off.
