The impermeable graphite tube exchanger is widely used in chemical, steel and other industries following with the deep industry developing.
不透性石墨列管换热器随着工业化进程不断深入，在化工﹑钢铁等其它领域的应用越来越广泛。
In certain preferred embodiments, the flexible graphite shell is fluid impermeable.
在某些优选实施方案中，该柔性石墨罩壳是流体不可渗透的。
In certain preferred embodiments, the flexible graphite shell is fluid impermeable.
在某些优选实施方案中，该柔性石墨罩壳是流体不可渗透的。
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