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单词
duct propulsion
释义
duct propulsion
duct propulsion
[
′dəkt prə‚pəl·shən
]
(aerospace engineering)
A means of propelling a vehicle by ducting a surrounding fluid through an engine, adding momentum by mechanical or thermal means, and ejecting the fluid to obtain a reactive force.
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not have a snowball's chance in hell
not have a snowball's chance in hell and not a hope in hell
not have a snowball's chance in hell of
not have a (some kind of) bone in (one's) body
not have a stitch of clothes
not have a stitch of clothes on
not have a stitch of clothes (one)
not have a stitch of clothing
not have a stitch of clothing on
not have a stitch of clothing (one)
not have a stitch on
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更新时间:2025/3/4 14:48:50