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zh-11
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11 ( )
50mm T9990050S
T9990020T 21mm 40.4mm
T9990020 T9991420HCT
/ ,
.。
T9990014T14.2mm
I/D
†‡
O/D
Elcometer 506 , 。 /
, 。
T9990020T20mm
50mm T9990050CT
- 。
T9990014 T9991420HCT
14.2 & 20mm T9991420S
20mm T9990020CT
14.2mm,20mm 。
,
。
50mm
14.2mm T9990014CT
T9991420S 30mm 40.4mm
11.2
T9990050 T9990050HCT
11.3
T9990014T 16.3mm 40.4mm
T9990050S 52mm 72mm
†‡
I/D: O/D: