蓄能型缓冲器(包括线性和非线性)只能用于额定速度()的电梯。A.v<2.5m/s

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问题:

蓄能型缓冲器(包括线性和非线性)只能用于额定速度()的电梯。

A.v<2.5m/s

B.v<2.0m/s

C.v≤1.6m/s

D.v≤1.0m/s

考点:电梯检验员考试电梯检验员考试题库
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患者,女性,21岁。右下腹痛6小时。查体:腹肌紧张,右下腹压痛反跳痛明显,双肾区无叩痛。

为明确诊断需做的检查除外()。

A.尿常规

B.血β-HCG

C.血AMY

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小题1:My father often _________(try) Bejing Duck in the restaurant.

小题2:Please stop talking. The baby ___________(sleep).

小题3:_______ this key ring _________(belong) to the little boy?

小题4:Mary enjoys________(share)her toys with her friends.

小题5:The Greens __________ (learn) Chinese in the room at the moment.

小题6:It takes Madee ten minutes _______ (climb) a ladder _______(get) into her house.

小题7:Why not ________(take) them to the sports centre?

小题8:Neil would like ________(visit) the Palace Museum tomorrow.

小题9:Mother makes the girl ________(play) the piano all day long.

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_________是评价机体蛋白质营养状况最可靠和最常用的指标。

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春季卡他性结膜炎的细胞学检查有哪些改变()。

A.单核细胞增多

B.多形核白细胞增多

C.嗜酸性粒细胞增多

D.细胞质内有包涵体

E.中性粒细胞增多

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