translatory field
常见例句
- The utility model relates to the field of gas compression, liquid transportation and vacuum-pumping, in particular to a rotary compression machine with a translatory piston.
本实用新型涉及在气体压缩、流体输送和抽真空领域，尤其涉及一种具有 平动活塞的旋转压缩机械。
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