薄膜表面光滑、无裂纹、致密性好；
The surface of the films is smooth, homogeneous, crack free and dense.
分析了提高镍奥氏体铸铁电缆插头铸件致密性的工艺方案。
The technology for tightness improvement of the Ni austenitic cast iron cable head is studied.
内部光滑致密，具有优异的防结垢性。
The internal is smooth and compact, has excellent anti-scaling.
内部光滑致密，具有优异的防结垢性。
The internal is smooth and compact, has excellent anti-scaling.
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