It is showed that LF48 - type polymerizer was the best selection for medium or small scale PVC enterprises, and had substituted for LF30 - type PVC polymerizer.
实践证明：LF48型PV C聚合釜是目前中小型规模PVC生产厂的首选釜型，已逐渐取代LF30型PV C聚合釜。
Intrinsic safety type control cable with PE insulation, PVC sheath, Individual and General shielding.
聚乙烯绝缘，聚氯乙烯护套，分屏蔽和总屏蔽本安型控制电缆。
Intrinsic safety type control cable with flame resistance PVC insulation, PVC sheath, Individual and General shielding.
阻燃聚氯乙烯绝缘，聚氯乙烯护套，分屏蔽和总屏蔽本安型控制电缆。
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