... dumb hopper barge 非自航开底泥驳 dumb iron捻缝刮刀修缝凿dumb iron 修缝凿 ...
2
?钢板弹簧支架
... 钢板弹簧支架 spring carrier ; dumb iron 前身钢板弹簧 frontleafspring ; spring ; front leaf ring ; ring 副钢板弹簧 auxiliary spring ...
3
[机]?边梁配件
... 上边缘 coboundary; top edge; u er limb; upper limb 边梁配件 dumb iron 边梁式车架 ladder type frame ...
双语例句
1
The weaknesses have been pointed out of former die structure for upsetting and extruding dumbiron. A de-sign of new type of combination die has been presented, resulting in markedly reduced die cost.