求翻译：由于酚醛树脂的原料易得，价格低廉，生产工艺和设备简单，而且制品具有优异的机械性能，耐性热，耐寒性，电绝缘，尺寸稳定性，阻燃性等，因此成为工业部门不可缺少的材料是什么意思？

Phenolic resin materials readily available, inexpensive, simple production techniques and equipment, and products with excellent mechanical properties, tolerance of heat, cold resistance, electrical insulation, dimensional stability, flame resistance, so indispensable to the industrial sector materi

Because of the phenolic resin, and resin-to-be at a low cost, simple production technology and equipment, and products with superior mechanical properties of the hot, patience, and hardy, dimensional stability, electrical insulation, flame retardant, and therefore become indispensable material indus

正在翻译，请等待...

Because of the phenolic resin raw materials readily available, inexpensive, simple production process and equipment, and products with excellent mechanical properties, tolerance of heat, cold, electrical insulation, dimensional stability, flame retardant, thus becoming the industrial sector indispen

正在翻译，请等待...