pull-off spring

To eke out a full-time living from their honeybees, about half the nation's2,000 commercial beekeepers pull up stakes each spring, migrating north to find more flowers for their bees.

以养蜂为全职工作的，大概一半全美2000多商业养蜂人每个春天都会迁移到南方去寻找更多的花给他们的蜜蜂。

The one-piece construction of new fishing tools can endure rather pull ( less than 400kN), slip claw with tube connection can auto restore under the spring strength.

活动式开窗式打捞工具整体结构要能承受较大拉力（≤400kN），卡爪通过油管接箍后能在弹簧力作用下自动复位。

Spring steel cable for chest pull Stainless Spring Steel, Wire diameter and Tensile strength of Spring Wire

扩胸弹簧钢丝拉力器弹簧不锈钢线，线径及拉力列表

As the middle of the diaphragm spring is pushed in, a series of pins near the outside of the spring causes the spring to pull the pressure plate away from the clutch disc.

当膜片弹簧的中心被推凹进去时，在弹簧周围的一圈铆钉将压盘后拉，使压盘与离合器分离。

To eke out a full-time living from their honeybees, about half the nation's2,000 commercial beekeepers pull up stakes each spring.

为了让蜜蜂整年都有花采，全国2000名商业养蜂人中大约有一半每年春天都要搬家。