diaphragms的精選

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用“diaphragms”造句大全，diaphragms造句

用“diaphragms”造句大全，diaphragms造句

2018-03-26
Thediaphragmsmaybeflatorcorrugated.Sinceblockeddiaphragmshaveagreaterconcentrationoffastenersaroundtheperimeterofeachsheathingelement,blockeddiaphragmsprovidegreatershearcapacitiesthanunblockeddiaphra...