所述垫部是具有一对挡止杆垫，其直接形成在所述垫部上，并大体对应所述对挡 止部；
The cushion part comprises a pair of stop cushions that are directly arranged on the cushion part and basically corresponds to the stop parts;
上阀杆通过丝口旋在横膈膜止动螺母里。
计算结果表明：在断裂损伤数值计算中考虑锚杆对裂隙的增韧止裂作用可以更好地反映锚杆的加固效果。
The results show that considering the effect of fracture toughness increment and retardation of crack of anchorage, better effect of anchorage is reflected in numerical fracture and damage simulation.
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