(压制机的)模环
The anchorage length of bolt can be controlled by adjusting the distance of anchor-boot and pressing ring.
通过调整压环与锚头之间的距离来确定锚杆的锚固长度。
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.
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。
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