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刮油环
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刮油环
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刮油环
释
oil scraping ring
刮油环
为了减少润滑油泄漏并具有自弹力或带有抱紧弹簧的环形零件。
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dihomology
dihomology group
Dihua city
dihuang decoction
dihybrid
dihydrate
dihydride catalyst
dihydro-2,5-furandione
dihydroborate
dihydrochalcone
dihydroflavone
dihydroflavonol
dihydrofolate synthetase
dihydrogen bond
dihydroimidazole
dihydroisoflavone
dihydropyrazole
dihydrotestosterone
dihydrotestosterone (DHT)
dihydrothiazole
dihydrouridine
dihydrouridine (D)
dihydroxazole
dihydroxy benzene
dihydroxy benzene poisoning
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