The cushion part comprises a pair of stop cushions that are directly arranged on the cushion part and basically corresponds to the stop parts;
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;
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；
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