... beamfoil spectroscopy 束箔光谱学 beam-folding 光束折叠 beam forming 波束形成 ...
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beam folding 射束拆叠
folding beam 可折梁
folding beam unit 折梁单元
folding beam path 折叠光路
horizontal folding beam 水平折梁
folding beam-pumping unit 折梁式抽油机
folding beam pumping unit 折梁式抽油机
folding steel box beam 叠合钢箱梁
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Front and back transmission shafts are located on top of folding beam to save space.
前后折叠轴安装在折叠杠顶部以节省空间。
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