cửa van
Definition
- Noun:
- Slutice gate, floodgate: A movable barrier or gate used to control the flow of water in a canal, lock, dam, or similar hydraulic structure. It is typically a large, solid door that can be raised, lowered, or swung open.
- Valve (in specific contexts): In some technical or historical contexts, it can refer to a valve mechanism, particularly one resembling a gate, as in the reference to a lock valve ("valve (d'une écluse)").
Usage Examples
- Noun:
- Công nhân đang hạ cửa van để ngăn lũ. (The workers are lowering the sluice gate to prevent flooding.)
- Cửa van của đập thủy điện rất lớn. (The floodgate of the hydroelectric dam is very large.)
- Nước tràn qua khi cửa van bị hỏng. (Water overflowed when the sluice gate was broken.)
Advanced Usage
- Technical/Engineering Context: The term is precise and used in civil engineering, water management, and irrigation.
- Thiết kế cửa van phải chịu được áp lực nước lớn. (The sluice gate design must withstand high water pressure.)
Variants and Related Words
- Cửa cống: Sluice, culvert gate (often smaller or part of a sewer/drainage system).
- Cửa đập: Dam gate (specifically on a dam).
- Van (n): Valve (a more general term for a device controlling flow, often for fluids in pipes).
Synonyms
- Cửa nước: Water gate (a less technical synonym).
- Đập tràn: Spillway (a different structure for overflow, not a gate that opens/closes).
Related Phrases
- Đóng/mở cửa van: To close/open the sluice gate.
- Họ đóng cửa van vào mùa khô. (They close the sluice gate during the dry season.)
- Hệ thống cửa van: Sluice gate system.
- Hệ thống cửa van mới hoạt động rất hiệu quả. (The new sluice gate system operates very efficiently.)
Notes on Meaning
- The primary and most common meaning is sluice gate or floodgate. The "valve" meaning from the historical French reference is specific to the mechanism of a lock gate and is less common in modern general Vietnamese usage, where van is the standard word for "valve".