Perhaps the electronic suction power control (specific types only) has been set to a low setting.
可能电子吸力控制旋钮(仅限于特定机型)已设置为较低的档。
Hydrodewaxing catalyst: 3881 catalyst can be used for producing diesel oil with the low setting point.
临氢降凝催化剂：3881催化剂可用于增产低凝柴油。
Hydrodewaxing catalyst: 3881 catalyst can be used for producing diesel oil with the low setting point.
临氢降凝催化剂：3881催化剂可用于增产低凝柴油。
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