而海水天线元件重量几近于无，容易装载，可作为备件方便提供——而到最后，就不只是备件了。
Seawater antennae, whose components weigh next to nothing and are easily stowable, could provide handy backups—and, eventually, more than backups.
负责模具备件管理工作，根据需要提出备件采购计划。
Responsible for the management of die spare parts, make the spare parts purchase plan .
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