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【单选题】
____ arrangements have low temperature air and high temperature ehaust gas passing through adjacent ports, causing temperature differential problems for the liner material.
A.
Loop scavenge
B.
Cross scavenge
C.
Uniflow scavenge
D.
Supercharge
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参考解析：
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举一反三
【单选题】One of these guards, whom I had cured of a painful _____, was always praising my skill.A．illnes
A.
114. One of these guards, whom I had cured of a painful _____, was always praising my skill. A．illness
B.
sickness
C.
disease
D.
Disorder
【单选题】___________arrangements have low temperature air and high temperatures exhaust gas passing through adjacent ports, causing temperature differential problems for the liner material.
A.
Loop scavenge
B.
Cross scavenge
C.
Uniflow scavenge
D.
Supercharge
【单选题】我们称“有两种或两种以上不同性质或不同形态的原材料，通过复核工艺组成，即保持原组分材料的主要特点，又具备原组分材料所没有的新性能的材料”为____？
A.
复合材料
B.
高分子材料
C.
金属材料
D.
冶金材料