... portable cutting tool 便携式切割工具 portable dam 便携式工具 portable director 有定向支架的移动式消防炮 ...
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portable water storage dam 便携式贮水坝
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A series of tests with the portable dynamic penetrometer of type PANDA have been carried out, to inspect the grinding quality of the secondary ash dam.
为检测子级灰坝的碾压质量，运用一种轻便动力贯入仪对粉煤灰进行了一系列现场试验。
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