main plane meaning in English

〔英军〕机翼；主翼。

The feature is some 27 , 000 light - years long ( 7 , 000 light - years longer than expected ) and sits at a 45 - degree angle to the galaxy ' s main plane
这一棒状结构长约27千光年（比预计的长7千光年），与银河平面相交成45度角。
Assembling of hand - petal intravenous needles for single use must satisfy with the certain rule : the angle of main plane intravenous needles and hand - petal plane should range from 80 ~ 100
一次性输液针的手瓣装配时，其针尖主斜面的对称面的垂直面与手瓣所在平面的夹角不能超出10的误差范围。
The bottom edges of the endplates are mated to another winglike device , the lower main plane , which in turn is attached to the rear crash structure ? a carbon fibre cone bolted onto the gearbox
终板末端边缘被设计成与另一个翼状地设备相配合，这个翼状设备是一个较低的平面，附着在尾部碰撞结构上? ?变速箱上面的碳纤维锥形螺钉。
According to collecting and analyzing the fault information of the jyl - 6 weather radar which is assembled in one of the main planes of the air force , we found the vulnerability on the radar ? design and technics . then we made some correction and the product ? dependability is improved
本文通过对配装空军某重点飞机的jyl - 6气象雷达研制、生产、使用中的故障信息进行统计、分析，找出该雷达设计、工艺中存在的薄弱环节，加以改进。