临氢降凝原料，不应是全馏程柴油，而应是柴油中馏程较重、决定凝点的组分；
The feed should not be all distillation range diesel but part of it which is heavier, deciding the freezing point of diesel.
临氢降凝原料，不应是全馏程柴油，而应是柴油中馏程较重、决定凝点的组分；
The feed should not be all distillation range diesel but part of it which is heavier, deciding the freezing point of diesel.
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