钻井用柴油发电机电枢铁芯通常用()厚的硅钢片叠成。
A. 0.1~0.15mm
B. 0.15~0.25mm
C. 0.35~0.5mm
D. 0.5~1mm
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违反《食品安全法》规定,构成犯罪的,依法追究().
A. 道德谴责;
B. 民事责任;
C. 刑事责任;
D. 以上说法都不对。
You have a computer that runs Windows 7. The computer is in a workgroup. You need to ensure that youcan decrypt Encrypting File System (EFS) files on the computer if you forget your password. What are two possible ways to achieve this goal?()
A. From Credential Manager, select Back up vault.
B. From User Accounts, select Create a password reset disk.
C. From User Accounts, select Manage your file encryption certificates.
D. From Authorization Manager, modify the Authorization Manager options.
微波遇到尺寸远远大于波长的物体时会发生反射。
A. 正确
B. 错误