The cartridge has a single bottleneck opening at a lower end which is initially sealed by a breakable seal in the form of a film layer of foil, coated paper stock, plastic or the like.

盒在下端具有单个瓶颈开口，该开口最初被成箔片、被涂覆的纸张原料、塑料等的薄膜层形式的易破的密封件所密封。

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This paper gives a study on the special coatings that can be coated directly on the surface of the PP plastic without complex pretreatment.

本文研制了一种无需复杂前处理即可直接涂覆的PP塑料专用涂料。

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This machine was fixed the upper and lower tooth for synchronized feeding units, it is most suitable for the paper bag and woven bag coated with plastic film.

本机械安装了上下机牙同步送料，最适用于涂塑料膜的编织袋及纸袋使用。

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