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【单选题】

Strainers, sometimes called （）, are devices designed to prevent the passage of unwanted solids into or further along a system.

A、dampers

B、filters

C、stopper circuits

D、separators

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更多“Strainers, sometimes called （）, are devices designed to prevent the passage of unwanted solids into or further along a system.”相关的问题
第1题
[单选题] In many installations basket strainers consist of a cylindrical container in which a perforated metal or wire basket is suspendedThe bold and italic word “which” means （）.

A、installations  B、basket strainers  C、a cylindrical container  D、a metal or wire basket  

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第2题
[] Lubricating oil systems are fitted with a wide variety of strainers some of which can be cleaned in site while others have replaceable cartridgesThe bold and italic word “which” means （）.

A、A.lubricating oil  B、B.lubricating oil systems  C、C.strainers  D、D.cartridges  

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第3题
[单选题] Sometimes the bill of lading refers to the loading marks inscribed on the goods，and sometimes there（）a statement as to their quality.

A、has  B、provides  C、is  D、supplies  

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第4题
[单选题] Geostationary satellites are the artificial satellites which（）.

A、always move slowly  B、are in one place only  C、sometime move sometime don‟t move  D、are synchronizing with the movement of the earth  

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第5题
[] Geostationary satellite are artificial satellite which（）.

A、A.always move slowly  B、B.are in one place only  C、C.sometimes move and sometime don‟t  D、D.synchronize with the movement of the earth  

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第6题
[单选题] 滑油滤粗滤芯（oil strainers）安装在（）

A、压力泵的出口  B、回油泵的入口  C、润滑组件的入口  D、主油滤的入口  

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第7题
[单选题] Sometimes charter-party expressly prohibit the loading of dangerous goods，but sometimes a Charterer is entitled by an express term to load them provided that due notice is given （）.

A、to the master  B、the charterer  C、the merchant  D、receiver  

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第8题
[单选题] Sometimes charter-party expressly prohibit the loading of dangerous goods，but sometimes a Charterer is entitled by an express term to load them provided that due notice is given （）.

A、to the master  B、the charterer  C、the merchant  D、receiver  

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第9题
[单选题] In the fire main system, quick cleaning strainers are located at the（）.

A、pump suctions  B、pump discharge  C、fire hydrants  D、hose nozzle  

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