1.
hard hat (safety headgear)
防护帽（安全帽类）
2.
A heavy skullcap of steel or leather, formerly worn under a helmet or mail hood.
戴在头盔内的防护帽一种钢或皮革制成的帽子，以前戴在头盔或铠甲头巾下
3.
They take a deep breath, leave nightsticks and hats behind and grab some helmets and oxygen tanks to go into the World Trade Center complex to rescue people trapped inside.
他们深呼吸,放下警棍和警帽，戴上防护帽和氧气瓶，走进世贸中心建筑群去营救困在里面的人们。
4.
They geared the deep-sea diver with helmet, suit and air nose.
他们给深海潜水员配备了防护帽、潜水服和通气管。
5.
2 High pressure gas cylinders are made of steel, aluminium alloys or composite materials. Cylinder valves need be permanently protected with a removable or permanent (open) cap.
高压气瓶是由钢制，铝合金，或复合材料制成的，瓶阀必须用活动的或不活动的防护帽保护。
6.
FENDER INNER MOUNTING BOLTS
防护板内安装螺帽（2）
7.
clothing rubber (excl. footwear and headgear)
橡胶防护服（不包括鞋类和帽类）
8.
SLN self-locking nuts
SLN自动防松螺帽
9.
Operators should wear protective clothing a breathing apparatus, a helmet, working boots, lifeline.
操作者应该穿防护衣和携带呼吸器，戴安全帽，穿工作鞋，携带安全绳。
10.
It's unlikely that a space traveler would stray outside the craft without protective gear.
漫游太空的人不穿戴防护衣帽是不能走出宇宙飞船的。
11.
Safety requirement: Hardhats, Safety Glasses, Dust Mask, Face Shield, Ear Muff, and etc.
必须佩戴下列个人防护用品：安全帽、安全眼镜、面罩、防尘面罩、护耳器等.
12.
lock nut of iron or stee
锁紧螺帽,防松螺帽,铁或钢制
13.
one of two flaps attached to a cap to keep the ears warm.
帽子上面两个可以护耳御寒的帽瓣。
14.
To cover, protect, or seal with a cap.
加帽于用帽或塞来遮盖、保护或密封
15.
dry-cell cap light
干电池防爆安全帽灯
16.
The nurses wore masks and white caps.
护士戴着口罩和白帽子。
17.
She wear a hat to keep the sun out of her eyes.
她戴 帽子遮阳, 保护眼睛。
18.
She wore a hat to keep the sun out of her eyes.
她戴 帽子遮阳, 保护眼睛.