... 蚕茧形截面 cocoon cross section 槽形截面 cha elsection; channel section; channel-section; fluted section; trough section; troughsection 蛋形截面 egg shaped section; oval cross-section ...
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channel section 槽形截面
channel section bolster 槽形断面摇枕
laminated channel section 层压槽型材
channel section bar guard 安全导槽
channel cross section 河槽横断面
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