Pneumatic tubes, incredibly fast railroad cars, and powered bicycles are just some examples of the shaky steam powered vehicles that are common.
充气管道、速度惊人的有轨电车、机动自行车等等，这些只是常见的蒸汽动力交通工具中的几个例子。
The pipe, which can be dropped from 40, 000 feet and tracked for 200 miles, makes a whoosh on its descent, reminding me of the sound of those old pneumatic tubes in department stores.
纸板管被从40 000英尺高空投下，可跟踪200英里，它嗖嗖地飞速移动，让我想起了百货商店里老旧气压管道的声音。
The tank bodys are connected by pneumatic tyre unions and glass steel tubes, so they have the advantages of fine-looking, installation easily, reliable seel, and so on.
罐体连接采用气胎由壬加玻璃钢管，具有安装便捷、美观、密封可靠等优点；
The tank bodys are connected by pneumatic tyre unions and glass steel tubes, so they have the advantages of fine-looking, installation easily, reliable seel, and so on.
罐体连接采用气胎由壬加玻璃钢管，具有安装便捷、美观、密封可靠等优点；
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