The code is significantly simpler because of this, but it's also not suitable for general-purpose SimpleDB usage.
这大大简化了代码，但并不适合用于通用的SimpleDB。
All these methods are suitable for the design of gearboxes not only in general machinery, but also in various machinery and special purpose machine tools used in railroad factories.
这些方法不仅适用于一般机械，也适合于铁路工厂各种机械、专机中的齿轮变速箱设计。
In addition to general purpose use, these valves are especially suitable for medical, dental and laboratory devices.
除了一般使用外，此微型阀还可用于医疗、牙医和实验室应用。
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