名词
中文翻译：节流类
同义词：
['class of girth', 'girth class', 'girth group例句：1. The engineers are responsible for designing the girth class of ships.（工程师们负责设计船只的节流等级。）']
例句：
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1. The engineers are responsible for designing the girth class of ships.
工程师们负责设计船只的节流等级。
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2.The girth class is a measure of how much cargo can fit inside a ship's hold.
节流等级是衡量船舱内能装多少货物的一个指标。
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3. The girth class affects the fuel efficiency of the aircraft.
节流等级影响飞机的燃油效率。