净孔
词语: 净孔
解释: clear opening
词典: 电力专业汉英词典
净孔 相关解释
clear opening 〔名词〕间隙
clear opening 〔名词〕间隙,有效截面
clear opening 〔名词〕净空,净孔
净孔 clear opening
净孔 clear opening;clear span
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