双武器格挡 TWO WEAPON BLOCKING
双手刀防挡 double knife hand block
双向挡水人字闸门 bidirectional retaining mitre gate
双百叶窗挡板门 double blade louver damper
双介质阻挡放电 DDBD
双喷嘴挡板阀 twin flapper-and-nozzle valve ; two-jet flapper valve
双H换挡控制机构 DOUBLE H OPERATION
双阻挡层电容器 Double Barrier Layer Capacitor
双级挡墙 two grade retaining wall
双钩挡器 double hook catch
内建双用锯齿前挡装置，方便标签或票据的撕取。
The built-in saw teeth makes it easy to tear the labels or bills.
双护套结构挡潮，提高了光缆抗侧压、抗冲击性能。
Double tidal sheath structure, improve the cable-side pressure, impact resistance.
主要产品有数控双面研磨机、调速平面抛光机、单(双)头金刚石平面磨床、挡圈式调速抛光机等。
Our main products are as follows: numeral two-side grinder, timing flat polishing machine, singal or double head diamant flat grinder, retainer ring type timing polishing machine, ect.
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