Packing List in duplicate with indication of both gross and net weights, measurements and quantity of each item packed.
装箱单两份，注明毛、净重、尺码和所装货物每项的品名数量。
Experimental measurements of hydrodynamics and mass transfer have been carried out with air kerosene (benzoic acid) water system and three typical kinds of packing.
利用空气煤油（苯甲酸） 水体系，测定了未装填料和分别装填板波填料、丝网填料、压延孔环填料的鼓泡萃取塔水力学性能和传质性能。
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