| 粘度计 No. 6 Spindle at 10 rpm, No. 7 Spindle at 2 rpm | 用于测量密封化合物基料的粘度。 |
| 粘度计 No. 6 Spindle at 10 rpm, No. 7 Spindle at 2 rpm | 用于测量密封化合物基料的粘度。 |
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