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Pigging and caliper the construction process of the same.
清管和测径的施工过程完全相同。
youdao
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Complex pipe can be established by the method of back pressure pigging, caliper.
复杂的管道可采用建立背压的方法进行清管、测径。
youdao
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Complex pipe can be established by the method of back pressure pigging, caliper.
复杂的管道可采用建立背压的方法进行清管、测径。
youdao