hatchn.孵化；舱口，舱口盖v.孵；孵出；策划hatching effect阴影效果hatched drawing细线条图hatch tarpaulin舱口盖防水布hatch stanchion舱口支柱hatching period孵化期hatchery trough孵化槽hatch beam shoe舱口梁承座舱口梁座舱口梁座hatching pattern阴影图案hatchery residue孵化厂废品hatch beam sling舱口梁吊索