The BQ-470 includes a variety of milling and notching options (for stronger bonding glue penetration), side gluing and a quick-swap PUR (polyurethane) adhesive system.是什么意思_The BQ-470 includes a variety of milling and notching options (for stronger bonding glue penetration), side gluing and a quick-swap PUR (polyurethane) adhesive system.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句