单选题
1分
In the part of the cylinder liner inside the scavenging air box there are a series of openings known...
In the part of the cylinder liner inside the scavenging air box there are a series of openings known as _____ .
参考答案: A
参考解析: 注：在扫气箱内的气缸套部分，有一系列的气口，即所谓的扫气口。
百度扫一扫练题
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