The groove adopts a closed and butted U-shaped groove (1) to be embedded in the ground surface around a trunk of thefruittreesoas to protect closely.
本发明采用一种封闭对接 的U型槽(1)埋设在果树树干周围的地表,对树干进行封闭保护。
3
Only automobile export enterprises are set up in abroad. The integration between China and the west can really take root and bear fruit, soas to be a big tree.