頂樞軸 的英文怎麼說
中文拼音 [dǐngshūzhóu]
頂樞軸
英文
upper gudgeon-
They had a pivot at the bottom and a pivot at the top and that would cause the door to swing open and shut
第一扇門是由希臘人發明的,他們沒有門鉸,在門底下和門頂上都有樞軸讓門在搖動著。
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