头盔

Need to know which helmet is Snell certified?

需要知道哪些是斯内尔头盔认证？

Why won't Snell certify some types of helmets like flip up front designs?

为什么不斯内尔证明某些类型的头盔像前翻盖设计了？

Since its founding in 1957, the Snell Memorial Foundation has independently tested manufacturer's helmets.

自成立以来在1957年，斯内尔纪念基金会已独立测试制造商的头盔。

Snell Certification is our assurance that a helmet has measured up to the highest standards for protective performance time and again.

斯内尔认证是我们的保证，头盔测量达到最高标准的防护性能一次又一次。

The Snell Memorial Foundation is a not-for-profit organization dedicated to research, education, testing and development of helmet safety standards.

该斯内尔纪念基金会是一个非营利性组织，致力于研究，教育，测试和开发的头盔安全标准。

Snell Certified helmets are available in almost every price range.

斯内尔认证头盔可在几乎每一个价格区间。

You need to find a strong and safe helmet that fits snugly.

你需要找到一个强大和安全头盔，正好符合。

If you're the pilot do not for any reason whatsoever put your space suit's helmet on.

假如你是飞行员，那麼不管任何理由都不要把飞行衣的头盔戴上。

Is a company specializing in the production of helmets.

是一家专业生产头盔的公司。

A NRA soldier fully decked in German equipment - Stahlhelm , gas mask , and Mauser pistol .

上图为配备全套德国产武器装备的中国国民革命军士兵（装备包括头盔，防毒面罩和毛瑟手枪）。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。