The destabilizing pattern of rock-anchored crane beam can be changed via the pre-applied anchoring force to rock-anchored crane beam.
并且可以通过对岩锚吊车梁预先施加锚固力的方式改变岩锚吊车梁的失稳形式。
The seal ring uses the floating seat ring structure with o-sear ring sealed and pre-tightening force applied to have inlet and outlet dual-way sealed;
阀座采用O形密封圈密封和施加预紧力的浮动阀座结构，使阀门进出口双向密封；
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