crackfree

常見例句

• The coatings composed by the chosen refractory is crackfree in high temperature.The castings using the coatings is free of surface defect and the surface roughness can reach 18 - S.
  根據(jù)此法選出的耐火材料所組成的涂料在高溫急熱時(shí)不開裂，澆注出的鑄件表面無缺陷，表面粗糙度達(dá)18-S。
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