多点点焊机
multiple spot welding machine
multiple spot welder
multipoint spot welder
单点边界条件
one-point boundary condition
单点单动压力机
one point single action press
单点单样
single-spot single-sample
单多点通信
Point-to-multipoint Communication
多点单样
multi-spots single-sample
多边多议题协商
Multi-lateral multi-issue negotiation
multi-literal multi-issue negotiation