industrial reserve force

例句：

1. 1. The industrialreserve force is crucial for the country's economic stability.
   工业后备力量对于国家的经济发展至关重要。
2. 2. The government has been working on buildingup the industrial reserve force.
   政府一直在努力建设工业后备力量。
3. 3. The industrial reserve force playsa vital role in maintaining national security.
   工业后备力量在维护国家安全方面发挥着重要作用。