The multifinger caliper tool string to be used for casing inspection was centralized using the combination of a strong, optimally placed, spring loaded roller and stiff arm centralizers.
用于检查套管尺寸的多触点井径测量工具管串，采用结实的、安放位置经过优化的、弹簧加载的滚子及刚性臂扶正器进行居中。
The invention discloses a caliper brake for a bicycle. The caliper brake comprises a left brake fork, a right brake fork, a penetrating shaft and a return spring.
本发明公开了一种自行车钳形闸，包括左闸叉、右闸叉、穿心轴和复位弹簧。
The invention discloses a caliper brake for a bicycle. The caliper brake comprises a left brake fork, a right brake fork, a penetrating shaft and a return spring.
本发明公开了一种自行车钳形闸，包括左闸叉、右闸叉、穿心轴和复位弹簧。
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