heavy lube stock是什么意思

用法例句

Blending oil component such as lithium,diesel oil component,treated cylinder oil,regular compressor oil 19 #,and rubber filling oil are obtained through highly processing of heavy lube fraction.

通过对重质润滑油馏分进行深加工，获得了锂料等调油组分，内燃机油组分，精制型汽缸油，１９＃普通压缩机油及橡胶填充油等。