safety | |
auto.ctrl. | 安全, |
baseb. | 安全打 |
hydroel.st. | 安全; 安全性 |
met. | 安全; 安全装置 |
space | 安全措施 |
sport. | 安全设备; 保险装置 |
vet.med. | 安全无害 |
relief | |
environ. | 山脊 |
safety relief: 22 phrases in 11 subjects |
Automobiles | 2 |
Aviation | 2 |
Chemistry | 1 |
Drilling | 1 |
Electronics | 2 |
Mechanics | 1 |
Nautical | 1 |
Oil / petroleum | 1 |
Rail transport | 1 |
Steel production | 1 |
Technology | 9 |