adj. 露天的；户外的
1.Summary: hypaethral(out door) crane works with its specialties. The body is heavy with large windward acreage.
室外起重设备运行有其自身的特殊性：自重大、迎风面大；
2.Summary: hypaethral(out door) crane works with its specialties. The body is heavy with large windward acreage.
室外起重设备运行有其自身的特殊性：自重大、迎风面大；