7 Permanent weld backing bars, consumable inserts and nonconsumable insert rings are not permitted without prior written approval from SECCO.
事先没有赛科公司的书面批准，不允许有永久焊接的支撑杆、熔化性嵌条和不可熔嵌环。
| 单词 | written approval |
| 释义 |
written approval
英语例句库
7 Permanent weld backing bars, consumable inserts and nonconsumable insert rings are not permitted without prior written approval from SECCO. 事先没有赛科公司的书面批准，不允许有永久焊接的支撑杆、熔化性嵌条和不可熔嵌环。
原声例句
川普首次新闻发布会合集 His role will be to scrutinize the new deals and actions and any new deal must receive written approval. 他的职责是审查新交易和行动，任何新交易都必须获得书面批准。 川普首次新闻发布会合集 The written approval of the ethicsed a vuzer will be required for new deals, and transactions that could potentially raise ethics concerns. 新交易和可能引起道德问题的交易将需要有道德的 vuzer 的书面批准。 |
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