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whistle board
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whistle board
Encyclopedia
工学
水运交通指示
释
whistle board
鸣笛标
设在通航控制河段或上、下行船舶不能相互通视的急转弯的上下游两端河岸上,指示船舶鸣笛的水上助航标志。
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Ugandan
Uganda National Congress Party
Uganda National Liberation Front
Ugandan English Literature
Uganda Patriotic Movement
Uganda People’s Congress
Uganda–Tanzania War
Ugarit
U-gas coal gasifier
U gas process
U-gas process
U-gas煤气化炉
UGC
U Gem binary
U Geminorum star
U Gem star
U Gem variable
U Gem variable star
Ugetsu
Ugetsu Monogatari (Tales of Moonlight and Rain)
UGI coal gasifier
Ugi multicomponent reaction
Ugi reaction
UGI煤气化炉
Uglidisi
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更新时间:2026/3/28 13:27:00