bending break machine 弯管机 ; 纸板折叠机
bending break chip 耐折叠纸板
bending break test 弯曲试验
bending break fatigue tester 弯曲疲劳性能测定仪
bending break dent 耐折叠纸板
Advantages: good abrasion resistance, anti slip, elasticity, not easy to break, softness, good stability, extended contraction, good hardness, good bending.
优点：耐磨性佳、防滑、有弹性、不易断裂、柔软度较好、伸延性好、收缩稳定、硬度佳、弯曲性好。
Since a bending force is exerted on the pipe during break out, the tool joint connection must be set in the slips as low as possible.
由于卸扣会使钻具产生弯曲力，因此，钻具接头必须尽可能低些坐在卡瓦上。
Features are not easy to break, easy to carry weight is very light, the disadvantage is that the quality of bending deformation is easy to poor.
特点是不易折断、携带方便重量很轻，缺点是容易弯曲变形质量较差。
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