... ultimate pressure 极限压力 unidirectional pressure 单向压力 unit contact pressure 单位接触压力 ...
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证实了单向压力封闭剂具有封闭渗透性岩层裂缝和保护油气层的优良性能。
With these excellent properties the unidirectional pressure blockage agent plugs the fractures in permeable reservior and protects the oil and g...
单向、双向压力球轴承保持架一般采用钢板冲压成型，大尺寸或特殊用处的轴承则采用黄铜或软钢车削保持器。
One-way, two-way pressure ball bearing cage generally use steel stamping molding, large size or special use of the bearings are made of brass or mild steel turning cage.
客运车辆单向控制，出入口分离，有助降低周边交通压力。
Passenger vehicle one-way control, separation of the entrance and exit, benefit for reducing the pressure on the surrounding traffic.
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