Please fit the ventilation ducts.
请装上通风管道。
Aircraft engine Nacelle flexible ducts.
飞机发动机短舱挠性管道。
One of the air-ducts has become blocked.
有一条输气管堵塞了。
The forth part, brand image in high school ducts into CISstrategy.
第四部分，高校品牌形象导入CIS战略。
Ceiling ducts to direct the air from the blower to the rear of the trailer.
顶部输送管会将空气从风扇吹送到拖车后面。
Axially the side transfer ducts are different of shape but the idea is the same.
轴向一侧转移的管道是不同的形状，但理念是一致的。
Axially the side transfer ducts are different of shape but the idea is the same.
轴向一侧转移的管道是不同的形状，但理念是一致的。
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