The value-opening mechanism includes a valve lifter and a CAM on a camshaft.

一套气门开启机构包括一个气门挺杆和一个在凸轮轴上的凸轮。

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The value-opening mechanism includes a valve lifter and a cam on a camshaft .

一套气门开启机构包括一个气门挺杆和一个在凸轮轴上的凸轮。

youdao

The most memorable moment of the Gala was when all of my 7 sisters, all wearing Chloe Dao designs of course, cam on the stage.

这个特别日子最值得纪念的一刻是当我的七个姐妹 当然都穿着Chole Dao服装 出现在台上的时候.

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And President George W.Bush's Scottie dog Barney had his own Web cam series on the White House Web site.

VOA: special.2009.02.23

The 7-inch tablet has an extremely responsive 800 x 480 resolution, capacitive touchscreen -- yes, multitouch worked in the browser and photo gallery -- with a front-facing 1.3 megapixel cam on the left bezel.

ENGADGET: StreamTV Elocity A7 tablet packs Tegra 2 and Android 2.2, coming to Amazon for $399 in September

Last night, we got a sneak peek at the company's new Action Cam on the aforementioned site, and this morning the Japanese manufacturer dropped the black curtain on what appears to be the very same prototypes used in yesterday's tease.

ENGADGET: Sony's Action Cam prototype is incredibly small, we go fingers-on at CE Week in NYC

When David wants to send a video message to someone, he records it either on his built-in computer Web cam or on a Flip camera.

FORBES: Talk Really Can Be Cheap