A rock and sand structure extending from the bank of the river toward the channel is known
A. Wingdam
B. Towhead
Cutoff
D. Landwall
防火门的门扇与门框的搭接尺寸不应小于以下哪个选项?
A. 8mm
B. 10mm
C. 12mm
D. 15mm
轨道平车同一转向架左右旁承间隙之和为()。
A. 5~10mm
B. 6~12mm
C. 8~12mm
D. 6~10mm
()决定了计算机可以支持的内存数量、种类、引脚数目。
A. 南桥芯片组
B. 桥芯片组
C. 内存芯片
D. 内存颗粒