full-plastics open type bidirectional exhaust fan  全塑开敞式双向换气扇

impeller with open -type  开式叶轮

input open type preamplifier  输入开路式前置放大器

nail-bound open-type insertion photo album  穿钉展开式插袋相册

new type open pan  新型浮盘

non-open type  永闭式

open truss steel joist  铁桁楼板搁肝

open type  开放型; 开放式; 张开式; 开敞式; 封闭式; 开式开关屏

open type and modulavization  开放式与组合化

open type anode baking furnace  敞开式阳极焙烧炉

open type baking furnace  敞开式焙烧炉

open type bearing  敞开形轴承; 开式轴承

open type compressor  开式压缩机

open type concentrating tank  敞开式浓缩罐

open type decatizing machine  开式蒸呢机

open type double-column inclinable press  开式双柱可倾压力机

open type electric machine  敞开式电机

open type electric motor  敞开式电动机

open type exhaust canopy  开式排气雨棚