沥青泵有填料密封、机械密封和磁力驱动三种形式的轴封,请结合实际情况选取那种轴封作为密

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问题:

沥青泵有填料密封、机械密封和磁力驱动三种形式的轴封,请结合实际情况选取那种轴封作为密封方式,并指出为什么?

考点:机械制造行业技能考试搅拌机械理论考试(高级)搅拌机械理论考试(高级)题库
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在不增发新股的情况下,企业去年的股东权益增长率为10%,本年的经营效率和财务政策与去年相同,则下列表述中,不正确的是()。

A、企业本年的销售增长率为10%

B、企业本年的股东权益增长率大于10%

C、企业本年的可持续增长率为10%

D、企业去年的可持续增长率为10%

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你能根据读音组词吗?

假 jiǎ(          )          重 chóng(          )         弹 dàn(          )  

     jià(          )                zhòng(          )               tán(          )       

铺 pū(          )         悄  qiǎo(          ) 

     pù(          )                qiāo(          )

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要使式子
x+1
x
有意义,x的取值范围是______.
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硫化物常以颗粒状残留于钢中,热轧时与钢一起被压延成带状夹杂,造成轨头或轨腰水平裂纹和()。

A、分层

B、核伤

C、裂纹

D、气孔

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Activity Based Costing (ABC) is an (126) technique that allows an organization to determine the actual (127) associated with each product and service produced by the organization without regard to the organizational structure. This chapter explains some of the uses and benefits of Activity Based Costing. We use IDEFO (128) modeling in conjunction with ABC to enable more effective business (129) design decisions.

In order to achieve the major goals of business process improvement, process simplification and improvement, FAA managers need to fully understand the cost, time, and quality of activities performed by employees or machines throughout an entire organization. ABC methods enable (130) to cost out measurements to business simplification and process improvement.

(128)是()

A.activity

B.flowchart

C.design

D.management

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