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防爆电气设备
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防爆电气设备
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防爆电气设备
释
electrical apparatus for explosive atmospheres
防爆电气设备
按规定条件设计制造,应用于爆炸性环境,不会引起其周围爆炸性混合物发生爆炸的电气设备。
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usual hypothesis
usual metric
usual molecular marker in aquatic animals
usual topology
usufruct
usufruct of natural resources
Usulután
US Unified Tri-service Cognitive Performance Assessment Battery
usury
Usu Shi
US-USSR Leaders Summit Meeting in Geneva
Usu tatar
U.S. Wheat Associates
UT
Utah Museum of Fine Arts
Utah State
U Tak
Uta Monogatari
UTAUT
UTC
UTC-PAB
UTD
uterine artery
uterine body
uterine branch
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