此方法用在具有整个专用类型库或在需要RC w源代码时效果最佳。
This approach is best used when you have an entire library of specialized types or require the RCW source code.
当焊接附加试件时，允许将专用类型的焊料改为另一种具有相同规定部分的焊料。
It is permissible to change the specific make of filler material to another with the same compulsory part of the designation when an additional test piece is welded.
菜用春大豆首先要选择菜用大豆专用类型，并综合考虑市场需求和栽培条件来确定理想品种。
Results showed that it is important to select certain spring vegetable variety with fitting market requirement and environment condition in order to develop vegetable soybean production.
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