欧美丰满熟妇XXXX,国产精品丝袜黑色高跟鞋,999久久久无码国产精品,18一20女一片毛片

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                      Shaft          Size                                          Chain's pitch     Teeth    Chain's type

 1. Not only meet with request of transportation of heavy duty, but also helpful for maintenance and replacement
 2. Well dust proof and water splash proof in operation environment.
 3. Tight and durable, bear more heavier duty.
 4. Temperature range: -10 to +80 ℃