close-open
| control switch
| close-open abbr. | |
| el. | 接通-断开; 开启-关闭; 开和关; 通和断 |
| mech. | 关一开; 合一断 |
| space | 关-开; 合-断 |
| control switch abbr. | |
| avia. | 操纵开关 |
| geophys. од. | 控制开关 |
| oil | 主令开关 |
| |||
| 接通-断开; 开启-关闭; 开和关; 通和断 | |||
| 关一开; 合一断 | |||
| 关-开; 合-断 | |||
| 关-开 (C.O.); 合-断 (C.O.); 启-闭 (C.O.) | |||
|
close-open : 42 phrases in 15 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Aviation | 3 |
| Economics | 1 |
| Electricity | 8 |
| Electronics | 6 |
| Finances | 1 |
| General | 2 |
| Hydroelectric power stations | 4 |
| Rail transport | 1 |
| Scientific | 2 |
| Securities | 2 |
| Shipbuilding | 2 |
| Technology | 7 |
| Wushu | 1 |