鵝頸桿 的英文怎麼說
中文拼音 [éjǐnggǎn]-
Bearings for derrick goosenecks - assemblies and components
起重吊桿鵝頸管軸承.組件和部件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
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