Specification for clearance zone on implements for the three - point linkage to agricultural tractors 农业拖拉机三点连杆机构的空隙区规范
2.
Agricultural tractors and machinery - clearance zone - connection of implements via three - point linkage iso 2332 : 1993 农用拖拉机和机具.农具悬挂区.机具三点连接
3.
The municipal people ' s governments shall demarcate areas in the vicinity of obstacle clearance zones for the take - off and landing of aircraft where construction of noise - sensitive structures is restricted 在该区域内建设噪声敏感建筑物的，建设单位应当采取减轻、避免航空器运行时产生的噪声影响的措施。
