开口装置：采用凸轮开口机构， 四片双列综框。
Shedding device: cam shedding mechanism, four pieces of double-row heald frame.
本发明用于剑杆织机摇杆开口装置上的曲柄摇杆机构，运行稳定、可靠，结构简单、噪声低、操作方便且制造成本低。
The invention is a crank-rocker mechanism used on a rocker opening device of a rapier loom with stable, reliable operation, simple structure, low noise, easy operation and low manufacturing costs.
液氦有凝固空气的潜力，这会阻塞减压装置和其它的容器开口，导致可以使容器破裂的压力积累。
Liquid helium has the potential to solidify air, which can block pressure-relief devices and other container openings. This can result in pressure buildup that may rupture the container.
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