预塑 meaning in English

preform

Screw - plunger perplastication system
螺杆活塞预塑系统
Screw bat type pre - plasticized installation , bigger capccity in piasticising , good quality in mixed refine , accuracy in measuring . minimum loss in injection pressure
螺杆式预塑装置，塑化能力大，混炼质量好，计量准确，注射压力损失小。
Ys series prepiasticization automatic plastic injection moulding machines adopt the most advanced technoiogy of the world in the mechanical structure . hydraulic principle and electrical control , with more scientific and practical applicability
永生牌ys系列预塑式全自动塑料注塑射成型机，贯彻永生以“精益求精”的精神，对机械结构液压原理电气控制采用现代国际先进的技术设计,使产品更具先进性,科学性和实用性。