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，正在不停着，蒸气从气门嘴上直在外喷。

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

战舰慢慢前进着，一点声息也没有，离这物三百七十米左右的时候关了气门，船现在只凭本身余下的气力走。

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

四机的进气门开启与排气门关闭之间有足够的重叠。

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

为什么四机的换气质量优于二机？因为四机在进气门开启和排气门关闭之间有足够的重叠时间。

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气门叉，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，从轮辋与气门嘴相反的一侧开始。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气门嘴，或者你见过 Dedrick 在给自行车装气门嘴时把它们放进去。Tubolito 这个品牌已经有几年历史了。