The demining operations have suffered severely from the inordinate delays in and or refusal to grant visas to experts required for the implementation of the programme as well as delays in customs clearance of essential equipment.
81. 由于不协调的活动造成延误，加上有时不准专家入境执行一些方案以及基本设备未能及时通关，排雷行动受到严重的阻碍。