气体分流管将阀连接到滑封隔膜套。
A drop-leg pipe connects the valves to the dead-headed diaphragm housing.
他们也制作定制包装和滑封袋。
They also make custom flexible packaging and slide closure bags.
对西滑封小康村进行了环境卫生学调查与评价。
Synthetic investigation and evaluation on the west Huafeng village, which is a comfortable village, are reported in this paper.
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