7 Permanent weld backing bars, consumable inserts and nonconsumable insert rings are not permitted without prior written approval from SECCO.
事先没有赛科公司书面批准,不允许有永久
支撑杆、熔化性嵌条和不可熔嵌
。
7 Permanent weld backing bars, consumable inserts and nonconsumable insert rings are not permitted without prior written approval from SECCO.
事先没有赛科公司书面批准,不允许有永久
支撑杆、熔化性嵌条和不可熔嵌
。
声明:以上例句、词性分类均由互源自动生成,部分未经过人工审核,其表达内容亦不代表本软件
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