“hollow shafting”的概念、定义、翻译、参考文献-科学参考

单词	hollow shafting
释义	hollow shafting [`häl·ō `shaft·iŋ] ^{MECHANICAL ENGINEERING} Shafting made from hollowed-out rods or hollow tubing to minimize weight, allow internal support, or permit other shafting to operate through the interior.
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