1.safety helmet
安全帽收藏指正
2.Safety helmet for electric welders.
电焊工专用安全帽。收藏指正
3.Put on your safety helmet, please!
请戴上安全帽！收藏指正
4.All visitors to the site must wear safety helmet.
到工地的所有参观者必须带上安全帽。收藏指正
5.The safety helmet is held on by an elastic strap.
安全帽用一根松紧带系住。收藏指正
6.Triple-vein safety helmet,good and inexpensive ,usually for ordinary workers.
三筋式安全帽，物美价廉，常用于普通工人佩带。收藏指正
7.This way please. Do not forget to put on your safety helmet.
请从这边走。别忘了戴好安全帽。收藏指正
8.Wear your safety helmet when you go down. Don't take any chances
戴上安全帽再下去， 不要冒险。收藏指正
9.Ventilating safety helmet with holes,high capability of ventilation and sunstroke prevention.
透孔通风式安全帽，适用于夏季露天作业工人佩带，通风防署性能好。收藏指正
10.It is dangerous to go about on the construction site without a safety helmet.
不带安全帽在工地上走来走去是危险的。收藏指正