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简述海上平台供柴油系统中，其分油机主要具有哪些功能？

答案

参考答案：

能清除液体中的固体微粒；分离两种具有不同密度而相互溶解的液体，同时还能清除其中的任何固体；从1种液体中分离并集结固体微粒。

单项选择题

As mentioned above, C imposes relatively few built - in ways of doing things on the program- mer. Some common tasks, such as manipulating (66) , (67) , and doing (68) (I/O), are performed by calling on library functions. Other tasks which you might want to do, such as creating or listing directories, or interacting with a mouse, or displaying windows or other (69) elements, or doing color graphics, are not defined by the C language at all. You can do these things from a C program, of course, but you will be calling on services which are peculiar to your programming environment (70) , processor, and operating system) and which are not defined by the C standard. Since this course is about portable C programming, it will also be steering clear of facilities not provided in all C environments.

A．user - interconnect

B．person - interconnect

C．user - interface

D．person - interface
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多项选择题

关于中耳胆脂瘤，正确的描述是（）。

A.胆脂瘤是由于鼓膜、外耳道复层鳞状上皮在中耳腔生长堆积成团块，并非真性肿瘤

B.胆脂瘤外层由纤维组织包围，内含脱落坏死上皮、角化物和胆固醇

C.由胚胎期外胚层遗留的胚胎细胞所形成的胆脂瘤称先天性原发性胆脂瘤

D.胆脂瘤对周围骨质有明显的破坏作用

E.胆脂瘤形成的主要学说有袋状内陷学说、上皮移行学说
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