| |||
action mechanism | |||
application mechanism | |||
actuating mechanism | |||
actuation gear |
作用 机构 : 15 phrases in 10 subjects |
Automobiles | 1 |
Electronics | 1 |
General | 2 |
International trade | 1 |
Management | 1 |
Name of organization | 1 |
Securities | 2 |
Space | 1 |
Technology | 3 |
United Nations | 2 |