Stems shall be of dezincification-resistant silicon bronze ASTM B 371 or low-zinc alloy B 99, non-asbestos packing and malleable or ductile iron handwheel.

阀杆材质是符合美国材料试验协会ASTM B 371标准抗失锌现象的硅青铜，或B 99低锌合金，不含石棉的填料，和可锻或球墨铸铁手轮。

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A new type of photo isolator has been developed by packing light emitting devices with silicon photo negative resistance devices face to face to realize electrical isolation.

将发光器件和硅光电负阻器件面对面地封装在一起，其间实现电隔离，构成一种新型光耦合器。

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Mechanical seal: use of WB2 and st non-water-cooled adjustable end face sealing technology, composed of silicon carbide, high purity alumina ceramic, packing PTFE and graphite etc.

机械密封：采用WB2型、ST型不用冷却水可调式端面密封技术，由碳化硅，高纯度氧化铝陶瓷、填充四氟，石墨等材料制成。

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Intel just outed its new Atom SoC, and at its tablet event in San Francisco today, the company had a whole slew of slates packing the Clover Trail silicon on hand.

ENGADGET: ZTE shows off new V98 Windows 8 slate, we go hands-on

Oki will keep its memory-chip operation in business to supply system LSIs -- chips packing several functions on one silicon wafer.

FORBES: A tale of two companies