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单词
crown block
释义
crown block
crown block
[
′krau̇n ‚bläk
]
(petroleum engineering)
A wooden or steel beam joined to the tops of derrick posts of an oil well to support pulleys.
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carved them up
carved up
carved us up
carved wood
carved work
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carve-in program
carve in stone
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carvel
carvel-built
carvelbuilt
carvel-builtly
carvel ice cream cakes
carvel joint
carvels
carve me up
carven
carvene
carvenly
carve one up
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更新时间:2025/9/20 19:05:24