包壳

包壳 [bāo qiào]

1. ■ involucrum;cladding;jacketing; {核} jacket; can; cartridge; {电} envelope; buld

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常用词组

1. ■ 包壳防渗法 shell-perm process;

2. ■ 包壳锁 box lock;

3. ■ 包壳作用 coating