拉链英语the zipper pull needs to take lead content & torque test请问 lead content & torque test是什么测试?

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拉链英语the zipper pull needs to take lead content & torque test请问 lead content & torque test是什么测试?
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拉链英语the zipper pull needs to take lead content & torque test请问 lead content & torque test是什么测试?
拉链英语
the zipper pull needs to take lead content & torque test
请问 lead content & torque test是什么测试?

拉链英语the zipper pull needs to take lead content & torque test请问 lead content & torque test是什么测试?
铅含量&扭力测试

是铅含量测试和转矩(化学上的专业测试)测试

torque test 扭矩测试
前面的 不知道怎么翻译

含铅量测试
扭矩测试

含铅测试以及扭力试验