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JIT emphasizes to continuously strengthen and deepen on the existing basis, continuously carry out quality improvement work, and gradually realize the goals of zero defective products, zero inventory and zero waste.季木霖没搭话，冷冷地瞥了他一眼，然后转身回房。Which chains can use the rules in the table (table-to-chain correspondence):The park is quite large and the environment is good. The hotel is an independent park and relatively quiet.炼丹炉被踢翻之后，人间火烧八百里，原本单纯无知的红孩儿无意间成为受害者，不得不承受火焰灼烧之痛。其母为救他，带着他辗转各地，求医问药，红孩儿最终获得了三昧真火和焚天紫火的能力。在红孩儿得知自己遭受这一切痛苦的原因后，他决意报仇，与此同时，一场惊天的阴谋正在悄然策划，顽性不改的红孩儿站在了离魔道最近的地方……Shall indicate the shape size, aperture, number of various holes and tolerance requirements; Machining method of shape and aperture; Specification of additional process requirements, such as V-groove opening, hole milling, chamfering, plate punching, process edge, etc.3. Abstract Factory Model