再选跳汰机前采用水冲溜槽给料的主要优缺点是什么?

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问题:

再选跳汰机前采用水冲溜槽给料的主要优缺点是什么?

考点:矿物加工学矿物加工工程设计矿物加工工程设计题库
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在计算机网络中,通常把提供并管理共享资源的计算机称为______。

A.工作站
B.网关
C.路由器
D.服务器

题型:问答题 简答题

Observe that for the programmer, as for the chef, the urgency of the patron(顾客)may govern the scheduled completion of the task, but it cannot govern the actual completion. An omelette(煎鸡蛋 ), promised in two minutes, may appear to be progressing nicely. But when it has not set in two minutes, the customer has two choices—waits or eats it raw. Software customers have had (16) choices.
Now I do not think software (17) have less inherent courage and firmness than chefs, nor than other engineering managers. But false (18) to match the patron’s desired date is much more common in our discipline than elsewhere in engineering. It is very (19) to make a vigorous, plausible, and job risking defense of an estimate that is derived by no quantitative method, supported by little data, and certified chiefly by the hunches of the managers.
Clearly two solutions are needed. We need to develop and publicize productivity figures, bug-incidence figures, estimating roles, and so on. The whole profession can only profit from (20) such data. Until estimating is on a sounder basis, individual managers will need to stiffen their backbones and defend their estimates with the assurance that their poor hunches are better than wish derived estimates.

A.Tasks

B.jobs

C.Works

D.scheduling

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煤的结渣性测定用的试样粒度为()mm。

A.1~3;

B.0.2~1;

C.3~6;

D.1~2。

题型:问答题 简答题

一般来说,单侧小耳畸形的患侧大约有()的听力。

A、30%

B、40%

C、50%

D、60%

E、70%

题型:问答题 简答题

企业集中力量为某一个或某几个子市场提供服务,更好地满足一定顾客的特殊需要,从而争取局部的竞争优势。这种战略被称之为()。

A、总成本领先战略

B、差异战略

C、分散战略

D、焦点战略

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