... 苯衍生物 Benzene derivatives 表面活性化学剂 Surface-active chemical agents 表面张力活性制剂 Tensio-active agents ...
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The complex surface active agents with success applied in chemical cleaning of dowthem scales in heating casing of ball valve in PTA plant was presented.
采用复合表面活性剂对PTA装置球阀加热夹套热媒垢成功地进行了化学清洗。
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