telescopic mast
常见例句
- These provide the condition of further modification and practicality of the telescopic mast.
這些爲今後套筒式伸展臂的發展和實際應用奠定了理論基礎。 - 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：桅杆6，所述桅杆6通過使兩根或更多琯柱以嵌套方 式順序地進行插嵌而制成伸縮式；
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