The vacuum system USES a compact vacuum pump group and compound gauges with wide measuring range and good hermetization.
真空系统采用复合真空计及真空机组，测量范围宽、设备紧凑、密封性能好。
2
The major characteristic of my factory compound bay packing equipment is that the structure is compact, quality is steady and reliable, the key components fully adopt imported product.
本厂生产的复合袋包装系列设备，主要特点是结构紧凑，质量稳定可靠，其关键部件均采用进口产品。
3
Cable core: Tubes (and fillers) are stranded around the strength member into a compact and circular cable core which is filled with the filling compound to protect it from water ingress.