support and lifting trunnion 支承和起吊耳轴
A large trunnion or trunnion support design ensures central position of ball under the highest working pressure. This permits ease of operation.
大枢轴或枢轴板设计，确保球体在高压下具有正确的中心位置，保证阀门良好的操作性能。
The fixture supports two trunnion shafts attached to the support structure of the receiver Lifting lugs would be located on the top end of the support structure.
这种夹具可支承固定在这种太阳能吸收器的支承结构上的两根耳轴，吊耳设置在支承结构的顶端。
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