reel lifting spring 拨禾轮起落平衡弹簧
lifting plate spring 起模板弹簧
lifting g spring 提升弹簧
lifting dog spring 提环弹簧
SPRING FOR HOOD LIFTING 护套提升用弹簧
lifting g plate spring 起模板弹簧
These are reels equipped with wire rope (non-electrical cables) to provide spring assistance to the lifting of heavy items such as power tools, looped cables, and other loads.
这些轴中都安装了钢丝绳（无电缆），帮助提升重型设备，比如电力工具，环形电缆和其他的荷载。
Spring Balancer is a kind of lifting gear.
弹簧平衡器是起重工具的一种。
The movable device mainly consists of the nut, bolt, lifting wedge, backseat, supporting seat of the clamp plate, spring and pressure plate and so on.
活动装置主要有螺母、螺栓、提升楔块、后座、座板支座、弹簧以及压板等组成。
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