青云翻译

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1. light steel keel: along the top of keel, keel, strengthening vertical transverse keel of keel, keel, should meet design requirements.

1. Light steel keel host: Along goes against the keel, along the place keel, strengthens the keel, the vertical keel, the flat plate keel should conform to the design requirement.

1) Light steel keel keel relations: along the main parts, along with strengthening keel keel and keel, vertical, horizontal keel design requirements should be met.

1. light steel keel: along the top of keel, keel, strengthening vertical transverse keel of keel, keel, should meet design requirements.