英德
有道
百度
谷歌
图片
维基
百科
大径
butt end diameter
- 集成板：不易变形这种材料采用大径原木经深加工，像手指一样交错拼接而成。
Compositive board: Be out of shape this kind of material uses deep treatment of classics of old way log not easily, point to same crisscross joining together like the hand and become. - 木材生长非常缓慢﹐因此此种所利用的原木通常只用大径木。<色调>淡色边材与深色心材区别相当明显。
PROPERTIES:Heartwood growing very slowly,so logs of large diameter used only. wood:Clear difference between pale sapwood and black brown heartwood. - 介绍了在化工生产中，对大的地漏点（大径法兰、管道等）应用不停车带压密封技术进行堵漏的原理及过程。
This paper introduces the principle and procedure of pressure-resistant seal of large leakage(large diameter flange, pipe etc.)with on-line in the chemical process of production.
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