在胀管时如果达不到适宜的胀度值,胀接强度和严密性都很高,这种胀接称为"欠胀"。
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You have included the following parameter setting in your server parameter file: PGA_AGGREGATE_TARGET = 800M SORT_AREA_SIZE = 100M HASH_AREA_SIZE = 100M BITMAP_MERGE_AREA_SIZE = 100M CREATE_BITMAP_AREA_SIZE = 100M Which statement is true?()
All the *_AREA_SIZE parameters are ignored.
B. The Automatic PGA Memory Management feature cannot be disabled.
C. The total Program Global Area (PGA) memory cannot be manually increased above 800
D. The total memory for the PGA can automatically exceed 800M using the Automatic PGA Memory Management feature.
下列会计凭证中,属于记账凭证的是()
A. 收款凭证
B. 付款凭证
C. 转账凭证
D. 通用记账凭证
E. 记账编制凭证
中碎是指将小于50mm(或6mm)的煤样破碎至小于3mm(或1mm)。
A. 正确
B. 错误
煤炭制样室通常把破碎分为粗碎和细碎,以区别不同的制样阶段。
A. 正确
B. 错误