According to the test and check, the safe coefficient of the concrete strength of the dam is completely enough.

经试验和复核，大坝混凝土强度的安全系数是完全足够的。

youdao

According to the test and check, the safe coefficient of the concrete strength of the dam is completely enough.

经试验和复核，大坝混凝土强度的安全系数是完全足够的。

youdao