The buzzing of the over–heated boiler was heard, and the steam was escaping from the valves.

机车锅炉早已烧热，正在不停地呜咽着，蒸从嘴上直在外喷。

The frigate approached without making a sound, stopped two cable lengths from the animal and coasted.

战地前着，一点声息也没有，离这物三百七十米左右的时候关了，船现在只凭本身余下的力走。

Why is the air exchanging quality of four-stroke engine more than that of two-stroke engine?

为什么四冲程发机的换质量优于二冲程发机？因为四冲程发机在开启和排关闭之间有足够的重叠时间。

Four-stroke engine has an enough overlap between inlet valve opening and exhaust valve closing.

四冲程发机的开启与排关闭之间有足够的重叠。

There's also a host of suspension chassis mods, including new Showa dual bending valve forks, which are preload adjustable.

还有许多悬架底盘改装，包括新的昭和双弯曲叉，预紧力可调。

Remove your wheel from the frame and then grab your tire lever and starting on the opposite side of the rim to the valve. Start removing one side of the tire.

将车轮从车架上卸下，然后抓住轮胎杆，从轮辋与嘴相反的一侧开始。开始拆卸一侧的轮胎。

If you've seen the little orange valve stem poking out of my wheels or you saw them going in there when Dedrick was putting them in the bike. Tubolito is a brand that's been around for a few years.

如果你见过我车轮上戳出来的橙色嘴，或者你见过 Dedrick 在给自行车装嘴时把它们放去。Tubolito 这个品牌已经有几年历史了。