名词
中文翻译：测试表面
同义词：
['test surface', 'test panel']
例句：
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1.The testing surface is covered with scratches and marks.
测试表面被刮痕和标记覆盖。
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2.The engineer tested the surface of the metal to ensure its strength.
工程师测试了金属的表面，以确保其强度。
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3.The testing surface was carefully cleaned before the experiment began.
实验开始前，测试表面被仔细清理。