凹字形楔 的英文怎麼說
中文拼音 [āozìxíngxiē]
凹字形楔
英文
gib-
A plain or notched, often wedge - shaped piece of wood or metal designed to hold parts of a machine or structure in place or provide a bearing surface, usually adjusted by a screw or key
扁柱,夾條,凹字形楔一種平的或有凹的經常是一塊楔形的木頭或金屬,用來在一定地方夾住機器或結構的各部分或提供軸承的表面,通常是由螺絲或鑰匙來調整
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