As one kind of semi-automatic Vacuum-thermoforming machine, Chief fitting be used for any hot model molding material.

本机是一种半自动真空吸塑热成型设备，主要适用于任何热塑成型材料。

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Requirement: semi automatic, no gas filling, no vacuum, just sealing only.

要求：半自动，无气体填充，无真空，只封口。

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Diode: a semi-conductor or vacuum tube device which has two electrodes. It permits a current to flow from from cathode to anode only Used as a rectifier.

二极管：具有两个电极的半导体或空管。它只容电流从阴极流向阳极。可作整流器用。

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Lin, Justin, and Marie examined the semi-conductor industry, where the initial reliance on vacuum tubes was replaced by bipolar technology, which in turn was replaced by complementary metal-oxide semiconductors (CMOS).

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But in the vacuum of space the tiny amount of air trapped between them would inflate to create a semi-rigid structure.

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