NEW TECHNIQUE OF SPRAYING POWDER AND PLANTING GRASS AND HANGING WIRE NETTING ON THE ROCL SLOPE SURFACE BESIDE HIGHROADS是什麼意思_NEW TECHNIQUE OF SPRAYING POWDER AND PLANTING GRASS AND HANGING WIRE NETTING ON THE ROCL SLOPE SURFACE BESIDE HIGHROADS在線翻譯_英語_讀音_用法_例句