Dermal hypersensitivity usually does not develop until three to four weeks after onset.皮肤过敏通常在起病后三、四周内不会出现.Delayed type hypersensitivity ( DTH ) was assessed by footpad challenge.然后,通过足部刺激评估迟发型超敏反应 ( dth ).Observe the ch...
On the customs declaration, the sender labeled the freight as agricultural machinery.在报关单上，寄货人将货物列为农用机械。Agricultural interests are some of the most powerful lobbies in Washington.农业利益集团是华盛顿最具影响力的游说团体之一。Chemical products ...