LG PEX-A Pipe is bent simply by holding the pipe widely and bending it slowly, without need for intended hot water circulating or heating.是什么意思_LG PEX-A Pipe is bent simply by holding the pipe widely and bending it slowly, without need for intended hot water circulating or heating.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句