门体是靠铰链安装到位，只要铰链安装尺寸正确、牢靠，门扇就可方便地安装。
The door is on the hinge installation in place, as long as the hinge installation size correct and reliable, the door can be conveniently installed.
型洛氏硬度计具有性能稳定，结构牢靠、安全，操作方便等特点。
This tester is a popular type Rockwell hardness testing machine, the construction is firm and reliable and safe, operating convenience etc. characteristics.
结论DCS治疗股骨髁上骨折具有固定牢靠确定，操作方便，能早期进行功能锻炼等优点。
Conclusion DCS for treating the femoral supracondylar fracture has the advantages of fixation stability, easy operation, early ambulation and functional exercise etc, with very good applied value.
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