If the input air quality is poor, can cause electromagnetic valve, the valve core oil pollution within the open mouth can't completely, the difficult open.

如果输入空气质量差，会造成电磁阀内产生油污，阀芯开启困难，阀口不能完全打开。

youdao

RDFS is still the simplest and most pervasive choice, but DAML + OIL has many things to recommend it: not just the additional features, but the cleaner core semantics as well.

RDFS仍然是最简单、最普遍的选择，但是DAML + OIL有许多好的方面，还是值得推荐：不仅是额外的功能，而且还包括更清晰的核心语义。

youdao

As standard practice, I import the core DAML + OIL schema, adding definitions for DAML + OIL-specific resources.

作为标准实践，我导入核心DAML + OIL模式，为特定于DAML + OIL的资源添加定义。

youdao

So the role of France - the role of the oil companies against France and the U.S. being core to the oil companies securing their interests there in Chad - it is a critical issue in the geopolitical's test match that is going on.

NPR: Chad Conflict Stirs Global Response

Mukesh, 54, whose core business is oil and gas and 82 year-old Biki who lives and breathes his hotels business, may seem oddly matched.

FORBES: Nita Ambani Checks Into Oberoi's Board

Shell wants to concentrate on its core business: oil.

ECONOMIST: Plastics and petrochemicals