This thesis introduces a new "No-filling material" field joint design for subsea pipeline.

介绍了一种“无填充材料”新型海底管道现场接点设计方案。

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Field joint coating shall be performed only when the surfaces to be coated are clean and dry, and in the absence of airborne contamination that can affect the quality of the joint coating.

只有当将要涂敷的表面清洁，干燥且无空气污染时，才可以进行补口涂敷，这些因素都可能影响补口涂层的质量。

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Third, China takes the opportunity of the Joint Decalaration on Cooperation in Non-traditional Security Field and lauches China-ASEAN cooperation in non-traditional security field.

三是以发表《关于非传统安全领域合作联合宣言》为契机，启动了我与东盟在非传统安全领域的全面合作。

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However, the Ulster Unionists have ruled out any merger with the DUP and restated their commitment to their electoral pact with the Conservative Party, where they will field joint candidates under the banner Ulster Conservatives and Unionists - New Force (UCUNF).

BBC: UUP will not 'rush deal decision'

Two former Ulster Unionists who resigned over a decision to field a joint by-election candidate with the DUP are setting up a new party.

BBC: Basil McCrea and John McCallister set up new unionist party

The Darwin field is a joint venture between TAQA and Fairfield Energy.

BBC: New North Sea oil discovery in Darwin field