?扶倒器

... lifting grab ==> 钳式带卷吊具 lifting guard ==> 扶倒器 lifting guide pillar ==> 起重导杆,升降导杆 ...

[矿业]?井口防护栏

... 防护栏障 protective barrier 井口防护栏 lifting guard 轿顶防护栏杆 car toprotection balustrade; car toprotection railing ...