Additives _____ protective layers on metal surfaces guarding them against corrosion.
A.damage
B.form.
C.dissolve
D.contaminate
第1题:
A.expand
B. expanded
C.expands
D. is expanding
第2题:
[A] in [B] with [C] against [D] for
第3题:
mlab对矢量数据的可视化提供iso_surfaces等值面分析观测方式。
第4题:
在Surfaces中旋转命令是那个()
A、Revolve
B、loft
C、planar
D、Extrude
第5题: