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灭火二号工具
由长度80~100厘米、宽度2~3厘米、厚度0.12~0.15厘米的橡胶条20~30根,用铆钉或铁丝固定在长1.5米左右、统一直径3.5厘米左右的木棒或硬塑料管材上制成的便携式手工灭火工具。
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vocabulary teaching in Teaching Chinese as a Second Language
Vocal and Instrumental Cycles of Quanzhou's South-Music
vocal arts
vocal cord
vocal cords
vocal folds
vocal fry
vocalis
vocal ligament
vocal muscle
vocal music
vocal music of opera
vocal nodule
vocal organs
vocal process
vocal recitation and written scores of gong and drum music
vocal styles of Pihuang operas
vocal tract
vocal tract area functions
Vocal Training
vocanic eruption
vocation
Vocational Ability Development Promotion Act
vocational adaptability of military job
vocational and technical college
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