low-level cracking 轻度裂化
Germination is complicated with the bursting forth of a meteor and with the peck of a swallow cracking its egg, and it places on one level the birth of an earthworm and the advent of Socrates.
万物的化育是复杂的，有风云雷电诸天象，有破壳而出的乳燕，一条蚯蚓的出生和苏格拉底的来临同属于化育之列。
In fluid catalytic cracking unit (FCCU), the energy using condition of recovery system has considerable influence on the energy consumption level of the whole unit.
催化裂化装置(FCCU)回收系统的用能状况在很大程度上影响FCCU的能耗水平。
The materials property testing results indicated that LFPHS had good performance in anti-cracking, and the less heavy metal leaching quantity comparing with level V according to Chinese GB3828-88.
性能测试研究表明，石灰粉煤灰稳定磷渣具有很好的抗裂性，其重金属溶出量达到国标GB3828-88 V级标准。
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