Maximum pressure differential required for valves with lever actuators should not exceed the limits listed.

采用杠杆执行器要求阀门的最大压差不能超过下表所列的极限。

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The differential rent of urban land is the lever to adjust the urban land makes use of the types space structure.

城市土地级差地租是调节城市用地类型空间结构的杠杆。

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The lever type differential adjustment can be made by hand or by foot to make the operation simply and freely. it is capable for sewing various flexible fabrics.

杠杆式差动调节，即可手动又可脚动，使操作变的简单自如，最适合伸缩面料的各种缝制要求。

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