相关joists的文学知识

joists造句

joists造句

Tothosebeams,Iattachedrimjoistsandfloorjoists.Thesebigjoistscanbear.Nostructuralalterationsrequired,easilyfitsbetweenjoistsandrafters.Thebuilderswillhavetostrengthentheexistingjoistswithadditionaltimb...