只要按动一下按钮，模具就可以同时制造出数个产品的构件，而且一台全自动的机器可以整天连续运行24小时，却只要很少的人工进行监管。
The mold can be designed to make several parts at once at the push of a button, and a fully automated machine can be set to run continuously 24 hours a day with very little monitoring by a worker.
预应力混凝土连续箱梁桥的开裂可以说是“多发病”，影响着构件的外观、使用寿命，甚至结构安全。
Cracking is quite common in prestressed concrete continuous box girder bridge, which influences appearance of component, life span of using, and even safety of structure,.
在连续梁和工业建筑框架的塑性设计中，这一步往往只不过是确定所需构件尺寸的比例关系而已。
In the plastic design of continuous beams and industrial building frames, this step frequently involves no more than a determination of the ratios of required member sizes.
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