Flow control elements 352, 354 are dimensioned to be inserted into cylindrical cavities 216, 218, with flanges 358 of elements 352, 354 abutting planar surface 214 of valve body 212.是什么意思_Flow control elements 352, 354 are dimensioned to be inserted into cylindrical cavities 216, 218, with flanges 358 of elements 352, 354 abutting planar surface 214 of valve body 212.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句