首页/ 题库 / [问答题]如何理解铸件的缩孔和缩松?的答案
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boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

合金的()和()是形成铸件缩孔和缩松的基本原因。
简述缩孔和缩松的防止措施。
什么叫ORS?如何配制?如何使用?
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
Shutdown price(or point,or rule) 停业价格(或停业点、停业原则)
翻译:With Average or With Particular Average(WA or WPA)()
Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo,without the authorization or privity of the Shipowner or his agent,is().
(), or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.
A salvor may be()the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.
The () is used for hauling in or letting out the wires or ropes.
Vessels must be()valid certificate of nationality or certificated of registry or license.
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
铸件中的缩孔与缩松对铸件质量的影响是()
如何理解铸件的缩孔和缩松?
为防止使铸件产生缩孔和缩松,应使铸件实现()。
铸件的缩孔和缩松与合金()关系不大。
铸件的缩孔和缩松与合金的()关系不大。
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