preboring翻譯，preboring的意思，preboring同義詞，preboring的反義詞，preboring短語詞匯

詞語：preboring

preboring的意思

Preboring 先探;預先鑽探;預鑽;預鑽 預鑽釘眼;preboring of wooden tie 木枕預鑽孔;preboring of spike holes 木枕預鑽孔;