已知轴的主视图，根据标注选择所对应的正确的断面图，其中正确的B-B是（ ）。<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/fb36fa86ece84fbcbc0f2230abb855ad.png" /> A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/0310f38d6cfc4fdd8b4d527907f732a3.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/dba503dc28c741698b1cf083200d24ad.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/1b977d55d6a84bceb9e6c39b7f9d878c.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/82093ffe849a4e789e46eaf4c768a318.png" />

体心立方结构金属晶体的的密排面为（ ）， 密排面晶面间距为（ ）。 A: （110） B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/b9f806bad3874ceca9c758a3b0107652.png"> C: （111） D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/80eebcaaf36e4af084acf1e4d07e1acf.png"> E: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/dc64bdb4cb04403097873133316c57a8.png"> F: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/1b1c162777d04e51bd02eb8f92094b84.png">

如图所示，千分尺的零点修正值（初读数）是 -0.010mm，则读数为（    ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/c1f666fcc8e74253a8fc826a8959485d.png

如图所示，千分尺的零点修正值（初读数）是-0.012mm，则读数为（    ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/5c0435ab39b54101a96bef2f22cdd27c.png

http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/334c5a63024b4376bc56c8ddc5600bef.png