Pressure upon special light that is a stainless steel ring.
压光带为一经特殊处理的不锈钢环状钢带。
Stainless steel handle and head with rubber ring .
不锈钢手柄和叩诊头，橡塑环绕。
The Gear Ring is made from high quality matte stainless steel.
齿轮戒指由高品质的亚光不锈钢制造。
The stainless steel seat ring is manufactured with a slight inside taper.
不锈钢阀座密封环制成内部锥度。
The stainless steel seat ring is manufactured with a slight inside taper.
不锈钢阀座密封环制成内部锥度。
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