The holes left by the casing have no effect on the solid mass
Release time:
2023-04-26
Worry about the casing to leave a hole in the entity quality of the idea is not necessary; because the conventional practice of using the cement strip, P Ⅴ C casing and new casing, it is the maximum aperture are less than 4Omm, compared to foreign countries (eg, Germany) and other developed countries, such as the aperture specified in the 50mm to be small, there has never been a project because of leaving a hole in the quality of the case caused by accidents, so you can be assured of boldly use. The hole left by the casing will not affect the quality of the entity.
Worry about the casing to leave a hole in the entity quality of the idea is not necessary; because the conventional practice of using the cement strip, P Ⅴ C casing and new casing, it is the maximum aperture are less than 4Omm, compared to foreign countries (eg, Germany) and other developed countries, such as the aperture specified in the 50mm to be small, there has never been a project because of leaving a hole in the quality of the case caused by accidents, so you can be assured of boldly use. The hole left by the casing will not affect the quality of the entity.
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2023-04-26
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