题目：
放喷管线每隔（）、转弯处、出口处用水泥基墩加地脚螺栓或地锚或预制基墩固定牢靠。
A、5--10m
B、10m～15m
C、15--20m
D、10--20m
答案：
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参考答案：生产数据
放喷管线每隔（）、转弯处、出口处用水泥基墩加地脚螺栓或地锚或预制基墩固定牢靠。A、5
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