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单词 headblock
释义

headblock

noun

: a block supporting the head of something: such as
a
: a part of a sawmill carriage that supports the log
b
: a block of wood between the fifth wheel and the forward spring of a carriage or wagon
c
: one of a set of extra-long railroad ties used for supporting the operating mechanism of a point rail

Word History

First Known Use

1811, in the meaning defined above

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更新时间:2025/1/9 8:24:51