duplex ball bearing造句

"duplex ball bearing"是什么意思

造句与例句手机版

PA Lynn Electronics Corp ., Feasterville Trevose, won a $ 93, 784 contract from the Defense General Supply Center, Richmond, Va ., to provide duplex ball bearings.
It's difficult to see duplex ball bearing in a sentence. 用duplex ball bearing造句挺难的

相邻词汇

用"duplex alloy"造句, 用"duplex apartment"造句, 用"duplex apartment; compound apartment"造句, 用"duplex apartments"造句, 用"duplex arrangement"造句, 用"duplex bearing"造句, 用"duplex board"造句, 用"duplex brass"造句, 用"duplex bridge"造句,

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