A feed mechanism for feeding a plastic packaging film is provided among the upper seal cut, the lower seal cut of the plastic sealing mechanism and the cigarette piling platform.
在位于所述塑料封口机构的上、下封切与堆烟平台之间设置有用于进给塑料包装膜的进给机构。
One is that, for a polar bear, the risk from attacking humans is higher, and the reward much lower, than patiently waiting to clobber a fat, unsuspecting seal.
其中之一就是，对于一个北极熊来说，相较于耐心等着去击垮一只肥胖而毫无戒备的海豹，袭击人类的风险更大，而回报甚微。
The traditional manual method of seal verification is restricted by subjective experience and external factors with lower efficiency and unavoidable mistakes.
利用传统的手工方法核对印鉴的真伪易受人为因素和各种客观条件的制约，不仅效率低，而且失误也在所难免。
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