尿素装置向界区外输送的介质有(),(),()和()四种,这四种介质外送前必须与()联系。
参考答案:工艺冷凝液;透平冷凝液;蒸汽冷凝液;二氧化碳;调度
. He was so foolish _______ his car unlocked.
A.to leave
B.that leave
C.as to leave
D.for him to leave
下列哪组是不正确的()。
A.慢性局限性浸润肥厚性皮肤病--硬膏
B.急性或亚急性皮炎无渗液--粉剂
C.急性皮炎--软膏
D.急性皮炎伴大量渗液--冷湿敷
E.瘙痒病--酊剂或醑剂