控制阀出现故障需要修理时,应先关闭其上下游截止阀,然后打开副线阀。
参考答案:错
—Excuse me. Is there a bookshop in the neighborhood?
—Yes, there is. It's ______ the post office and the hotel. [ ]
A. on
B. between
C. across
D. next
太阴病证的临床表现是
A.腹满而吐,食不下,自利,口不渴,时腹自痛,四肢欠温,脉沉缓而弱B.无热恶寒,脉微细,但欲寐,四肢厥冷,下利清谷,呕不能食,或食入即吐,或身热反不恶寒,甚至面赤C.心烦不得眠,口燥咽干,舌尖红,脉细数D.消渴,气上撞心,心中疼热,饥而不欲食,食则吐蛔E.身热,不恶寒,反恶热,汗自出,脉大