提出了不等距螺旋设计中的最小极限推程问题，并进行了全面的理论分析。
The concept of minimum limit push lead (MLPL) in the design of varying pitch screw is introduced and a comprehensive theoretical analysis is carried out.
招商银行与携程和芒果网推预订机票票、酒店送好礼活动。
China Merchants Bank with Ctrip and Mango push booking air tickets, hotel sent ethical activities.
若某制程的制造排程与下制程无关，那就视为推式系统，其他情况则为拉式与先进先出的组合。
IF a process is producing to a schedule independent of the downstream process, then you are dealing with a push system. Other scenarios would be some combination of pull and FIFO.
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