轻危险级场所边墙型标准喷头单排喷头的最大保护跨度为()m。
A.3.6
B.3.0
C.4.4
D.4.2
参考答案:A
Directions: Now more and more Chinese, especially the young, have begun to buy cars or houses on bank loan. Write a passage of at least 120 words to express your views on "Shopping on Installment" (论贷款消费). You may either agree or disagree. But whichever position you take, use specific reasons or examples to support
患者眩晕耳鸣,头痛且胀,每因烦劳或恼怒而头晕、头痛加剧,面时潮红,急躁易怒,少寐多梦,口苦,舌红少苔,脉弦细数,其治法是
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