close-open
| operations
| close-open | |
| 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 |
| operations | |
| econ. | 动作; 动作部 |
| interntl.trade. | 经营; 营业; 损益; 业务活动 |
| oil | 运转; 操作; 作业; 运行 |
| |||
| 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 : 43 phrases in 16 subjects |