行包件数不符、票货不符、票货分离、误装卸或顶件运输情况时,拍发电报有何要求?
半日潮港,涨潮流箭矢上标注2kn,则该处大潮日涨潮流第三小时内的平均流速为()。
A. 2/3kn
B. 4/3kn
C. 8/3kn
D. 2kn
模具的凸模、型芯、拼块凹模等工作零件的成形面技术要求很高时,可采用()加工。
When designing an expansion within the same data center, when is a pre-sales TDA absolutely required by IBM?()
A. for a SAN768B Director
B. for a second TS3500 Tape Library
C. for a second EXP5060 Expansion Unit
D. for an additional DS8300 Expansion Frame