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【多选题】
标准化的运输标志“唛头”应包括以下内容 ( )A.
收货人名称或代号
B.
参考号（如运单、合同、发票号）
C.
目的地
D.
件号
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】铁路车票分为（）票和附加票。
【简答题】废气再循环(名词解释)
【单选题】An EGR(exhaust gas recirculation废气再循环) valve may be used to control
A.
carbon monoxide.
B.
carbon dioxide.
C.
unburned hydrocarbons.
D.
oxides of nitrogen.
【单选题】The average tariff rates for manufactured goods have fallen significantly since 1950 and now stand at about _____.
A.
18%
B.
5.9%
C.
4.8%
D.
1.5%
【单选题】An exhaust gas bypass is installed on a waste heat boiler in order to （）.
A.
bypass exhaust gas at high loads to prevent excessive back pressure
B.
bypass a portion of the exhaust gas at peak loads for better efficiency
C.
recycle exhaust gas to the turbocharger
D.
minimize moisture condensation in the boiler gas passages at low loads
【简答题】铁路车票分为（ ）票和附加票两部分。
【简答题】废气再循环控制(名词解释)
【单选题】_____ the oxygen content in the exhaust gas, _____ the combustion is.
A.
The lower / the worse
B.
The higher / the better
C.
The lower / the better
D.
The highest / the worst
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