鵝頸形的 的英文怎麼說
中文拼音 [éjǐngxíngde]-
Shipbuilding and marine structures ; bearings for derrick goosenecks ; assemblies and components ; identical with iso 6045, edition 1987
造船和海上結構.懸臂起重機鵝頸形起重桿的軸承.組件Shipbuilding. swan - neck steel ventilators with oval flange
造船工業.帶橢圓形凸緣的鋼制鵝頸通風管
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