ballast
n. 压舱物,[建]压载物;道渣,碎石; vt. 给……装压舱物;给……铺道渣
n.压舱物,沙囊
ags impersonalization kronos salicaceous solarism stylolite xerophyte下载迅蛙App
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n. 压舱物,[建]压载物;道渣,碎石; vt. 给……装压舱物;给……铺道渣
n.压舱物,沙囊
ags impersonalization kronos salicaceous solarism stylolite xerophyte