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n.压舱物，压载物，道渣，碎石，镇流器，沉着vt.给某物装上压舱物，给…铺道渣，使稳定，使沉着...
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Tank Linings and pipe Coatings: Ballast and potable water tanks; Bilges, wet voids and drainage pipes.储罐衬里和管道用涂料: 压载水舱和饮水舱; 舱底 、 湿空舱和排水管.Ballast, ignitor and terminal pillars are installed in the body.灯体内装有镇流器 、 触发器和接线柱....
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ballast的音标：ballast的英式发音音标为：['bæləst]ballast的美式发音音标为：['bæləst]...
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We can trust that company; the partners are in ballast all right.我们可以信任那家公司, 其合伙人都很可靠.He has got no ballast whatever.他这个人一点也不沉着.Then the sound of rumbling thunder reached the watchers on the shore, as cargo, ballast, amm...
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ballast的一般过去时为：ballasted...
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ballast的第三人称单数（三单）为：ballasts...
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ballast的现在进行时为：ballasting...
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ballast的复数形式为：ballasts...