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活塞：单件，不锈钢设计，抗腐蚀与磁感应带标准的各种规模的抵抗。
Piston: Single piece, stainless steel design, corrosion resistant with magnetic sensing band standard all sizes.
youdao
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活塞：单件，不锈钢设计，抗腐蚀与磁感应带标准的各种规模的抵抗。
Piston: Single piece, stainless steel design, corrosion resistant with magnetic sensing band standard all sizes.
youdao