![diaphragms造句怎么写]( "diaphragms造句怎么写")
- Thediaphragmsmaybeflatorcorrugated.Sinceblockeddiaphragmshaveagreaterconcentrationoffastenersaroundtheperimeterofeachsheathingelement,blockeddiaphragmsprovidegreatershearcapacitiesthanunblockeddiaphragms.Thisfinishingoperationisomittedonbodiesreceivi...
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