Thus, testing the surface profile in vacuum or environmental Chambers is of significance.
因而，在真空或特定气氛下进行表面形貌测试具有重要的意义。
The tool comes with the optional add on environmental chambers that can go from –40 to 1000 degree C, under vacuum or under humidity or gases.
该工具配备可选购买对环境商会，可从-40到1000摄氏度，在真空或在湿度或气体。
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