7 Permanent weld backing bars, consumable inserts and nonconsumable insert rings are not permitted without prior written approval from SECCO.
事先没有
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。
7 Permanent weld backing bars, consumable inserts and nonconsumable insert rings are not permitted without prior written approval from SECCO.
事先没有公司的书面批准，不允许有永久焊接的支撑杆、熔化性嵌条和不可熔嵌环。
An intelligent clothes rack is developed with a block installed on the end of each knighthead,around which steel wire is enwind and connected to a DC motor and the clothes rail.
智能晾衣架的机械部分是在普
拉杆式晾衣架两支撑杆的端部各安装一个滑轮,再穿入钢丝绳。
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成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
