由管钳的装配图，可以看出该装配图由个零件组成。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201806/b97beaca9ce14cc280906bb0a943d643.png
举一反三
- 看懂铣刀头装配图，该装配体由几种零件组成。（）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201806/7d0268f0786f4490b6fcdb1f7f9d3311.jpg
- 由管钳的装配图，可以看出该装配图由 个零件组成。[img=555x666]17a3dd0120bc807.png[/img]
- 我国健康成年人血小板总数是（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201806/fecfc3776aee4bb5b377f5f8f9d9ee46.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201806/ab64ea1d8d134ba0845fb75e63a9a861.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201806/4841bf16bdb5469999b7c01b77c90325.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201806/14d1ed8474e5414591bc74e45bf0538a.png" />
- 假如电子运动速度与光速可以比拟，则当电子的动能等于它静止能量的2倍时，其德布罗意波长约为（ ）m。（普朗克常量<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201806/486718e348354f0f8706f38073d30016.png" />，电子质量<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201806/c39decde0930485fa409cb257f712e8a.png" />） A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201806/e466e61658db48fc816f486d40ae959f.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201806/3a2fcc4c50a7410e807e4af3c59dcbc8.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201806/92443a569df04dee9598ae64e6aa3df9.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201806/21ffd61b214045ceac00daae77f7855f.png" />
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201806/8671406c93434eeab8f0c131ac0dc31a.png