牛临诊表现腹围增大,瘤胃内容物充满而坚硬,食欲和反刍停止,最可能是()
A.前胃迟缓
B.瘤胃积食
C.瘤胃鼓气
D.瘤胃积液
E.瓣胃阻塞
参考答案:B
It was _____ he came bank from Africa that wear _________ he met the girl he would like to marry.
A.when; then
B.not; until
C.not until; that
D.only; when
组合的意义和作用有哪些()
A、保持产品质量的稳定
B、提高基础酒质量
C、优化库存结构
D、为调味打下基础