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套筒修复
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套筒修复
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套筒修复
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full encirclement steel sleeve repair
套筒修复
利用两个由钢板制成的半圆柱外壳覆盖在管道缺陷外,通过焊接连接在一起,套筒与管壁紧密结合,协同变形,提高缺陷管体承压能力的工作。
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male pronucleus
male pronucleus growth factor
male reproductive gland
male reproductive organ
male reproductive system
male reproductive system tuberculosis
Male Role in Opera
male servant
male sex-cell
male sterile line
male sterile technology
male sterility
male sterility in herbageforage plants
male sterility line
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male turban in opera
Maletzke model
male urethra
male urogenital area
Malfatti
Malfatti circles
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Malfatti problem
Malfatti triangle
malformation
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