单词	Bolkay
释义	Bolkay 博尔考伊¹⁰⁰
随便看	substitution clause substitution code substitution compound substitution consumption substitution cover substitution crossing substitution curve substitution curves substitution defect substitution interference measu-rements substitution internship substitution degree substitution deletion and insertion error substitution deletion and insertion errors substitution derivate substitution derivative substitution detector substitution device substitution directive substitution dril substitution drill substitution drills substitution economy substitution effect Substitution effectof a price change