3) underwater restoration device
水下修复装置
4) protecting device at back bottom
后下部防护装置
1.
The protecting device at back bottom is an important means of preventing cars from colliding the vans from behind on highways,but at present the application of this device is commonly from satisfaction,resulting in serious social danger and losses.
后下部防护装置是减少高速公路小车追尾货车事故的重要技术手段,但现阶段这一装置的应用状况普遍较差,导致社会危害和给社会造成的损失巨大。
5) recover
[英][rɪ'kʌvə(r)] [美][rɪ'kʌvɚ]
修复，还原，再生，重新装盖
6) revamp
[英][,ri:'væmp] [美][ri'væmp]
部分地再制(或再装备)
补充资料：封口装置——滚纹装置
封口装置——滚纹装置     | ||
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说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条