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AOR_SDU5500-(Manual操作说明书手册)
Section 1,1-1(1)SDU5500 Index1Index1-1Introduction1-2Taking care of the unit21-3Power requirements21-4Operating anomalies1-5Accessories supplied21-6Technical high-lights2Controls a...
DIN2617-Steel-butt-welding-pipe-fittings-caps
Hebei Haihao GroupHHCaps DIN 2617measures in mm1CoverageThis norm consider for caps of steel which resist to thesame internal pressure like the welded tube with a wallthickness s1 ...
use-磁铁的由来
力田a磁电科技有限公司Litian Magnetoelectrican Science&Technology Co.,Ltd磁铁的由来古希腊人和中国人发现自然界中有种天然磁化的石头，称其为“吸铁石”。这种石头可以魔术般的吸起小块的铁...
中药材-北柴胡生产技术规程DB42T1641-2021FDIS
ICS65.020.20CCS B 38DB42湖北省地方标准DB42/T1641—2021中药材北柴胡生产技术规程Chinese medicinal materials-Code of practice for Bupleurum chinense DC.2021-01-08发布2021-03-08实施湖...