telescopic mast
常見例句
- These provide the condition of further modification and practicality of the telescopic mast.
這些為今后套筒式伸展臂的發(fā)展和實(shí)際應(yīng)用奠定了理論基礎(chǔ)。 - The telescopic supporting column 1 comprises: a mast 6 that is made telescopic by inserting two or more tubular columns sequentially in a nested manner;
該伸 縮式支柱1包括：桅桿6，所述桅桿6通過使兩根或更多管柱以嵌套方 式順序地進(jìn)行插嵌而制成伸縮式；
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