The plumbing system experienced
backflow when the water pressure dropped, causing dirty water to flow into the clean supply line.
管道系统在水压下降时发生了回流，导致脏水流入了干净的供水线。
The firefighter used a device to prevent
backflow in the fire hydrant, ensuring fresh water was always available for extinguishing fires.
消防员使用了一个装置来防止消防栓的回流，确保始终有新鲜水用于灭火。
In a reverse osmosis process,
backflow occurs when high pressure water flows back into the input side, potentially damaging the membrane.
在反渗透过程中，当高压水倒流回输入侧时，可能会损坏膜元件。
The security system's
backflow prevention valve prevented unauthorized access by hackers trying to infiltrate the network.
安全系统的回流防止阀阻止了黑客试图入侵网络的未经授权的访问。
During a power outage, the air conditioning system's refrigerant could experience
backflow if not properly sealed, leading to potential leaks and damage.
在停电期间，如果空调系统的制冷剂密封不当，可能会发生回流，导致潜在的泄漏和损坏。
To avoid contamination, it's crucial to install a
backflow preventer on your irrigation system to stop water from flowing back into the drinking water supply.
为了避免污染，安装灌溉系统的回流防止器以防止水倒流进饮用水供应至关重要。
The city's water treatment plant implemented measures to prevent
backflow in their distribution system, ensuring safe and clean water for all residents.
城市的水处理厂采取措施防止供水系统中的回流，确保所有居民都能获得安全清洁的水。
In a chemical reaction,
backflow can occur when reactants flow in the wrong direction, disrupting the intended reaction pathway.
在化学反应中，如果反应物流动方向错误，可能会发生回流，打乱预期的反应途径。
The gas stove's
backflow prevention device prevents natural gas from escaping back into the pipeline, maintaining a secure fuel supply.
燃气灶的回流防止装置防止天然气回流到管道中，保持安全的燃料供应。
The engineer designed a
backflow control system for the elevator to ensure it would only move in one direction, preventing accidents.
工程师为电梯设计了一套回流控制系统，确保它只能朝一个方向移动，以防发生事故。
Now, luxury consumption in China will be supported by a backflow of spending and the gradual reopening of international travel, the consultancy said.
该咨询公司表示，现在，中国的奢侈品消费将受到支出回流和国际旅行逐步重新开放的支持。
To help real estate recover, a focus should be on improving the sales side of the sector, that is, to encourage inelastic demand, and increase real estate sales and capital backflow while adjusting expectations.
Tropical vacation destination plays key role in driving consumption upgrade in nationMajor Chinese duty-free retailers said offshore duty-free shopping in Hainan province, a top vacation destination, has become key to boosting consumption upgrade in China, with the duty-free sector playing a significant role in supporting the backflow of international spending into Hainan.
Thus, it would help guide the backflow of overseas consumption to China and drive the business growth of the duty-free sector in Hainan," said Fu Yifu, a senior researcher at the Suning Institute of Finance.
The trend of backflow of overseas spending has been distinctive, particularly in the growth of spending in cars, luxury products and cosmetics.
"As an important tourism destination and duty-free market, Hainan is expected to further drive China's overall consumption growth by helping to raise the high-quality consumption scale and supporting the backflow of international spending," Zhang said.
Due to the pandemic, the backflow of overseas spending has been distinctive, and the opening of Lavant Shopping Center has been following such trends.
Sheng added that China's bond market is more open to the world, which offers a backflow channel for renminbi.
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