Large hex head high strength bolt for steel structures Product name High strength hexagon head bolt Standard GB/T 1228-1231 Grade grade 10.9 /8.8 Dia. M12-M30 Length 40-300mm Materials: Carbon steel--ML20MnTiB Alloy steel---40Cr / 35VB Available finish Dacromet, black oxide, p...
20. When asked, they usually hesitate before responding. 注: when (they are) asked的省略, 当从句主语与主句主语一致时,从句中的 “主语+ be” 可省略 Unless invited, I won’t go to the party. When spoken to, he kept silent. 21. Friendship between girls are based on / upon (以…为基础...
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1) mixing motor drives the mixing tube through double leaf valve out of glue, then themselves layer down to the plastic head, thus evenly mixed glue, this process is completely sealed, and double leaf valve/mixing tube is filled with glue, without air bubbles, mixing process...
Inspection Test Room or The Third Party Standard DIN, ANSI, GB, JIS, Bsw Material1 Stainless Steel Carbon Steel Alloy Steel Connection Female Head Type Round Specification 1 Dn20-Dn2000 mm Manufacturing Process Push, Press, Forge, Cast, etc All Type Ecc...
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