| zhá | gear/brake/sluice/lock (on waterway)/electric switch or circuit breaker |
| 闸 | gear brake sluice |
| 闸刀 | male contact; knife switch; disconnecting link; plug-in strip; guillotine |
| 闸刀开关 | knife switch; leaf actuator; closing switch; plug-in strip; KS |
| 闸北区 | Zhabei district, central Shanghai |
| 闸口 | lock entrance; lid; irrigation gate; sluice gate |
| 闸流管 | thyratron; gas relay; gastriode; gas triode; gastriode relay; grid-controlled rectifier; hot-cathode gas filled valve; thyristor |
| 闸瓦 | shoe plate; shoe block; hem shoe; brake block; brake-shoe; shoe; brake boot |
| 闸皮 | brake shoe; brake rubber |
| 闸盒 | electric fusebox switch box |
| 闸门 | a sluicegate |
| 闸阀 | gate valve; brake valve; sluice valve |