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封密封

网络seal

封密封

封密封

封密封

seal

高中英语单词表 ... seaman n. 船员，海员，水手 seal n. 封铅，封条；印，图章；海豹 v.封，密封 seagull n. 海鸥 ...

1

RTVS 11 is a low viscosity , multi-purpose compound , designed for use as a potting, encapsulating , sealing and mold making material .

RTVS11 是一种低粘度、多用途的化合物，被广泛用作灌封、密封和制造模型的材料。

2

In addition , the Series HS20 is electrically isolated , and environmentally sealed with shaft seals at both ends .

此外，该系列的 HS20 是电气隔离，环保两端轴封密封。

3

Backing that is sealed to the fabric by heat . See Bonding .

通过加热而封密封在织物里面的衬背。见胶粘。

4

Three Referees Reports in sealed envelopes

三封密封的推荐信

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