()跳汰机分为筛侧空气室跳汰机和筛下空气室跳汰机。
A. 活塞
B. 隔膜
C. 空气脉动
D. 动筛
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据《松窗梦语》记载:歙县的“贾人几遍天下。良贾近市利数倍,次倍之,最下无能者逐什一之利”。歙人潘侃曾说:“良贾急趋利而善趋时,非转毂四方不可”。《许氏世谱》记有“徽歙以富雄江左,而豪商大贾往往挟厚资驰千里”。这反映()
A. 徽商藐视国家经济政策
B. 长途贩运是徽商的重要经营方式
C. 徽商资本雄厚
D. 徽州商业传统源远流长
You are the administrator of Company's Windows 2000 network. You have been asked to rollout a Windows 2000 Professional service pack on all Windows 2000 Professional client computers in Company's main office. You create a shared folder named InstallFiles that contains the installation files for the service pack and connect to the shared folder. You want to prevent the user interface from being displayed during the installation. What should you do? ()
A. Connect to the InstallFiles shared folder and run the Update -q command.
B. Connect to the InstallFiles shared folder and run the Update -u command.
Connect to the InstallFiles shared folder and run the Update -z command.
D. Connect to the InstallFiles shared folder and run the Update -s:InstallFiles command.
下列凿岩机中,()型凿岩机属气腿式凿岩机。
A. 7655
B. 01-45
C. YG-80
在检车过程中发现“检”字牌,须及时揭下,待作业完毕或退勤时交回运转室。
A. 正确
B. 错误