The protective breaking resistance design of the project shall be executed for predesign or trial design, which is not only opening up, but also practical.
工程抗断防护应进行预试,既有开拓,又有现实。
The protective breaking resistance design of the project shall be executed for predesign or trial design, which is not only opening up, but also practical.
工程抗断防护应进行预试,既有开拓,又有现实。
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