该控制杆，它从上往下插接进该容置通孔，而且，它下端抵靠在可熔体上。
The control rod is inserted into the containing via hole from top to bottom, and the lower end of the control rod supports against on the fusible body.
本实用新型主要由设有扁平的板体部分的杆体组成，所述板体部分开有通孔。
The utility model is mainly composed of a bar body which is provided with a flat plate body part, wherein the plate body part is provided with through holes.
本实用新型是一种单动双通平衡阀，由阀体、阀塞、阀杆、压盖、补偿垫圈等组成。
The utility model relates to a single-action two-way equalizing valve, comprising a valve body, a valve plug, a valve rod, a pressing cover, a compensating cushion ring, etc.
锚杆眼孔整体上为通孔形式的圆孔，与锚杆的外形稍大一点。
The anchor shaft eyelet is a circular hole with a form of through hole wholly, and is slightly bigger than the external form of anchor shaft.
DT1通电，DT2断电，C气口通气A、D气口排气、压缩空气将油压到油缸内推动活塞杆前移，实现预压出力状态如下图2；
The power DT1, DT2 power, C port A, D port and exhaust ventilation, compressed air to push the piston rod oil cylinder forward, realize the preloading force state in figure 2;
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;
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;
应用推荐