Line canal is by make shoe, bushing, sieve tube , buckle the composition such as pipe nipple.
衬管是由引鞋 、 套管 、 筛管 、 倒扣短节等组成.
Layout of Air Conditioner on the Coach Roof Hydrodynamic and evaporative characteristics of sieve plate evaporator with a heated tube bundle above
顶置空调机在大客车上的布置设计上置加热管筛板蒸发器流体力学及蒸发性能
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