通过在“焊缝定义”(WELD DEFINITION) 对话框中选取焊缝特征类型（角焊缝、I 形坡口、V 形坡口等）及相应的环境（实焊、轻焊、断续等）和添加参数来定义焊缝。
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The definition of weld slope and weld rotation are described, and characteristics coordinates frame of seam are set up.
给出了焊缝倾角和焊缝转角的广义定义，提出建立焊缝特征坐标系的方法。
The weld size was controlled according to the definition of leg on the corner joint and DL/T869—2004 (power plant welding technical regulation), which led to the effective thickness was insufficient.
按目前大多数人认可的角接接头焊脚的定义，根据DL/T869—2004《火力发电厂焊接技术规程》去控制焊接尺寸，会出现焊缝有效厚度不足的问题。
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