3字成语
寒假日记国标消声器系列
霹雳弦惊Muffling ries accord to national standard
读的成语Page33
ZP型片式管道消声器采用离心玻璃棉作为吸声材料，片式结构，具有高度小，消声频率宽，结构简单等特点。产品有效长度一米，两端配有变径管和标准法兰，zP型片式消声器系列分为ZPl00型，ZP200型，消声量可达1 6dB(A)-25dB(A)。
Centrifugal glass wool is the absorb－ing nois material in the ZP type muffl－ing which has a laminated structure with low highness，wide muffling frequency and simple structure．Valid length of this product is 1 meter equipped with pipe of different diameter and standard flange at both ends．ZP laminated muffling includes ZP100，ZP200 two types．The volume of muffling can reach
蚝油豆腐16dB(A)-25 dB(A)．
教案的标准格式
ZP100型片式管道消声器系列参数表Parameter table
老公大人请息怒>表姐佳佳
