机械成型的工艺流程为滚压(或旋压)→干燥→脱模→修坯→粘接→旋釉→检验。
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What is the action that a GMDSS Radio Operator should take when a DSC distress alert is received? ()
A. No action is necessary,as the DSC control unit will automatically switch to the NBDP follow-on communications frequency
B. The operator should immediately set continuous watch on the radiotelephone frequency that is associated with the frequency band on which the distress alert was received
C. The Operator should immediately set continuous watch on VHF channel 70
D. The Operator should immediately set continuous watch on the NBDP frequency that is associated with the frequency band on which the distress alert was received
在汉语普通话中,没有音位性区别特征的一组音是()。
A. [p]与[g]
B. [p]与[b]
C. [p]与[d]
D. [b]与[d]
试点企业将出口项下的人民币资金留存境外,银行如何办理?
日月潭是台湾省最大的人工湖泊,卧伏在玉山和阿里山之间。
A. 正确
B. 错误