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【单选题】
关于电梯细部构造的说法,错误的是( )。
A.
电梯预留门洞口尺寸一般宽度为层门两边各加50 mm,高度为层门增加80mm
B.
门套装修可采用多种做法,与电梯厅的装修统一考虑,如水泥砂浆抹面、贴水磨石板、大理石板以及硬木板或金属板贴面
C.
电梯厅门轨道安装在挑出的牛腿上
D.
电梯井道导轨撑架固定有预埋法,预埋螺栓,预埋铁件焊接等方法
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参考答案:
举一反三
【判断题】千斤又称千金,对二胡琴弦起固定和切弦作用。
A.
正确
B.
错误
【单选题】呼吸复苏的首选方法是( )
A.
口对口呼吸
B.
气囊面罩
C.
经口气管内插管
D.
经鼻气管内插管
E.
气管切开
【单选题】In general, once shipment of the goods has been finished, the seller may present all the documents to the negotiating bank for payment under the terms of the credit.
A.
True
B.
False
【单选题】Under the irrevocable L/C, the seller can receive his payment once he finishes the shipment of contract goods.
A.
True
B.
False
【判断题】只要保证力偶矩的代数值不变,力偶可在其作用面内任意移动和转动。
A.
正确
B.
错误
【判断题】For a FOB contract, once the goods are shipped on board the vessel at the port of shipment, the buyer takes all the risks of the goods. So he can not lodge any claims against the seller since that tim...
A.
正确
B.
错误
【单选题】呼吸复苏的首选方法是()
A.
口对口呼吸
B.
气囊面罩
C.
经口气管插管
D.
经鼻气管插管
E.
气管切开
【单选题】We obtain the best organic cotton from two suppliers, one located in Turkey and the other in Japan, which means that their supplies are produced without the use of any chemicals. Once the shipment arr...
A.
manufactured automatically
B.
grown in local regions
C.
produced without using chemicals
D.
imported from foreign countries
【单选题】呼吸复苏的首选方法是()
A.
口对口呼吸
B.
气囊面罩
C.
经口气管插管
D.
气管切开
E.
经鼻插管
【简答题】请翻译以下信函内容,注意格式。Dear Sirs,With reference to our Sales Confirmation No.7904 dated August 8th, 2000, we regret to say that your letter of credit has not yet reached us up to the time of writing. This has...
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