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 ...
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...