词汇	transformer, step-down
释义	transformer, step-down 网降压器
随便看	circular economy and energy efficiency circular economy assessment circular economy behavior circular economy conception Circular economy development Circular-economy eco-agricuhure circular economy ecology Circular-Economy Enterprises circular economy in agriculture circular economy in countryside circular economy industry Circular economy informationization circular economy in mining area circular economy institution circular economy in village circular economy law circular economy legislation circular economy mode circular economy model circular economy of agriculture circular economy of industry circular economy of tourism circular economy park circular economy pattern circular economy pilot project