cross jointcruciform joint十字: cross; cross-shaped,like let ...形: form; shape连接: connect; fit together; link; ...乙字形连接管: pipe offset乙字管 乙字形连接管: pipeoffset下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:十字形连接,即可在微信中查询翻译