Everything else unchanged, the bigger the screw diameter, the bigger is the depth of the screw flight in the metering section, which increases plasticizing capacity.
在螺杆的设计不变的情况下，螺杆直径越大，计量段的槽深便越深，增加了塑化能力。
Many years passed, maybe everything will be changed, you will forget me. But the only unchanged is that, I ever loved you, deeply.
事隔经年，或许一切都会改变，你会忘记我。但是唯一不变的是，我曾经爱你，深深的。
The law is unchanged, but the fashion, land, intelligence is not the case, since the management is a law enforcement but does not harm the interests of the arts, do everything to local conditions.
法律是不变的，但是风尚、土地、智力却并不如此；管理既然是一种实施法律但不伤害利益的艺术，做什么事都要因地制宜。
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