吊索在吊点处不得有滑移和脱落，个别吊索应连接在被吊装结构的节点上，不得衔接在主弦杆中部和腹杆上。
There shall be no slip and fall off in the sling hanging point, individual sling should be connected in the hoisting structure nodes, no cohesion in the main chord and web members on the middle.
附加弯矩导致桅杆的后背主弦杆受拉，传统的螺栓连接方法显得薄弱。
The additional bending moment results in the pulling state of rear back rod of the mast and the conventional bolt connection seems to be very weak.
主离合器通过行走轮驱动轴连接、主离合器操纵杆连接至插植机构。
A main clutch is connected through the driving axle of the walking wheel, and the operating rod of the main clutch is connected to the planting device.
本实用新型提供一种整体式采油气树，其特征是四通和相互连接的主杆为一个空心长方体的整体锻压件；
The utility model provides an integral petroleum production tree, which is characterized in that a pipe cross and mutually connected main bars are a hollow and cuboid integral forging piece;
轴承每个这些杆是连接到主销的两端轴承。
Each of these rod bearings is attached to the ends of the kingpins.
前臂、后臂、辅臂以及插件与主杆之间为活动连接， 均可折叠于主杆上。
The front arm, the rear arm, the auxiliary arm and the plug-in are movably connected with the main rod and can be folded on the main rod.
固定，再将枝条和主杆上相对应的电源线插接头连接即可，坚固便捷。
Fixed, and then branch and the main pole corresponding to the connector to connect the power cord can be inserted, sturdy and convenient.
固定，再将枝条和主杆上相对应的电源线插接头连接即可，坚固便捷。
Fixed, and then branch and the main pole corresponding to the connector to connect the power cord can be inserted, sturdy and convenient.
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