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Trade certification for precision sheet metal set-up operator is available, but voluntary in Quebec.
在魁北克,精密钣金建造工行业认证有效,但是自愿的。
youdao
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Trade certification for precision sheet metal set-up operator is available, but voluntary in Quebec.
在魁北克,精密钣金建造工行业认证有效,但是自愿的。
youdao