twosection ladder

中文翻译二节梯

同义词释义

1)two-section ladder,二节梯

2)two-section extension ladder,二节拉梯

3)secondary fly section,第二节拉梯

4)section of ladder,梯节

5)Elevator Energy-saving,电梯节能

6)halfpace stair,两节楼梯

用法例句

Discussion on the Contribution of Relaxing the Electric Power Tension by Elevator Energy-saving;

谈电梯节能对缓解全国用电紧张的贡献

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