R | |
gen. | 英语第 18 个字母 |
auto. | 轮胎侧壁标志; 表示该类轮胎最大允许车速为170km/h |
econ. | 英语的第十八个字母 |
textile | 红色; 红衣; 红衣料 |
TV | 限制级; R 级 |
R" | |
oil | 雷氏 秒数 |
N.S : 50 phrases in 20 subjects |
Agriculture | 3 |
Air defense | 1 |
Automobiles | 2 |
Aviation | 1 |
Business | 1 |
Chemistry | 2 |
Finances | 1 |
International Monetary Fund | 2 |
Librarianship | 2 |
Logistics | 1 |
Metallurgy | 9 |
Plastics | 2 |
Rail transport | 1 |
Sociology | 2 |
Space | 3 |
Superconductivity | 1 |
Technology | 12 |
Telecommunications | 1 |
Textile industry | 2 |
Wind Energy | 1 |