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【单选题】
某精馏塔的理论板数为 17 块(包括塔釜),效率为 0.5 ,则实际塔板数为( )块。A.
31
B.
32
C.
33
D.
34
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【单选题】患者出院后床单位处理正确的是
A.
污被服撤下、送洗
B.
被褥暴晒6h
C.
床、床旁桌椅用0．5％过氧乙酸擦洗
D.
脸盆、痰杯用洗涤剂清洁
E.
病室通风后即可使用
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