通过中间冷却器截面上的氨气流速不应大于()m/s。A.0.1 B.0.3 C.0.5 发布时间:2019-10-08 08:59 │ 来源:www.tikuol.com 题型:单项选择题 问题: 通过中间冷却器截面上的氨气流速不应大于()m/s。A.0.1B.0.3C.0.5D.0.7
题型:单项选择题 In (66) the strength of the carrier signal is varied to represent binary 1 or 0. (67) is a system that can map a name to an address and conversely an address to al name. (68) is a three-way handshaking authentication protocol that it’s packets are encapsulated in the point-to-point protocol. (69) is an approach that enables an ATM switch to behave like a LAN switch. (70) is an guided media which is made of glass or plastic and transmits signals in the form of light.A.VLANB.LANEC.VPND.IPOA 查看答案
题型:单项选择题 设窗体上有一个名称为HS1的水平流动条,如果执行语句:HS1.Value=(HS1.Max-HS1.Min)/2+HS1.Min 则:A.滚动块处于最左端B.滚动块处于最右端C.滚动块牌中间位置D.滚动块可能处于任何位置,具体位置取决于Max、Min属性的值 查看答案
题型:单项选择题 判断一家公司是否具有成长性,这家公司的产品或服务有没有市场______至关重要。有些公司可能有几年时间保持了较快的增长,但是如果所从事的行业空间有限,就注定了高增长只是______。 填入横线部分最恰当的一项是( )。A.份额 过眼云烟B.需求 无源之水C.前景 空中楼阁D.潜力 昙花一现 查看答案