One-piece solid stainless steel dynamically Balanced rotor/pump shaft assembly with short shaft overhang - specifically designed for submersible pump application.是什么意思_One-piece solid stainless steel dynamically Balanced rotor/pump shaft assembly with short shaft overhang - specifically designed for submersible pump application.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句