body tube meaning in English

主镜筒

Cannula compensator is comprised of body tube , compensation tube , flange and gadket . the product is applied in the drainage engeineer , providing great convenience to the detachment and installation of water tower and water meter of pump room . and it plays a role to resolve the compensation issues caused by temperature difference for long pipeline . sgd , , axial displacement . , , , , ,
套管式伸缩器是由体管伸缩管压兰密封圈构成的，此产品用于给排水工程，它为城镇自来水塔泵房水表及阀门安装拆换提供了极大的方便，以及对长距离管道用温差引起的伸缩问题，起到了良好的填补作用。
Aimed at tube curve by sun shining , it analyzes and calculates the instance of curve when tube up and down face have difference in temperature , and discourses upon it influenced degree to cannon firing accuracy . for hot spread asymmetry caused tube curve , it explains it ' s form cause . for irregularly hot stress acting tube curve , it stressfully analyzes effect of body tube wall thickness difference
重点分析了身管热弯曲产生机理，针对太阳照射下的身管弯曲，分析计算了身管上下表面存在温度差时的弯曲情况，论述了其对火炮射击精度的影响程度；对于散热不均引起的身管弯曲说明了其形成原因；对于不规则热应力作用下的身管弯曲重点分析了身管壁厚差的作用。