求翻译：新华网加德满都10月18日电（记者 何险峰 陈乔炎）尼泊尔军方发言人切特里18日晚向新华社记者确认，一架隶属军方的直升机当晚在尼西部坠毁，机上6人生死不明。是什么意思？

Xinhua Kathmandu, October 18 (Reporter He Xianfeng Chen Qiao Yan) the evening of 18 Nepalese military spokesman Chatree to Xinhua News Agency correspondent confirmed a military helicopter attached to the Ministry of the night in the Nissi crashed six people missing.

Xinhuanet, Kathmandu, october 18 (xinhua) nepal Chan Ho aiming the military spokesman said chetri evening of June 18, a structure to a Xinhua reporter confirmed that evening under the military helicopter crashed in the western region, 6 persons is still unknown.

Xinhuanet, Kathmandu, October 18 (reporters and and Chen Qiaoyan)-Nepal military spokesman sorapong chatree 18th to Xinhua confirmed that a subordinate military helicopter crashed in the Western region of the night, 6 people on the machine of life and death are unclear.