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老外發(fā)來(lái)的三級(jí)導(dǎo)柱散件,,說(shuō)是研磨裝配,,有疑,,高手急救,! |
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點(diǎn)評(píng)
液壓系統(tǒng)的尺寸并沒(méi)有那么簡(jiǎn)單,,我是外行,只知道皮毛,,好像變徑長(zhǎng)度是很講究的,。想想看,如果最小的內(nèi)桶完全伸出后中桶才開(kāi)始伸出的話,,這樣的結(jié)構(gòu),,會(huì)不會(huì)發(fā)生井噴?
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