一个或多个承运人的车辆部件必须至少包含一个金属螯合组。

One or more components of the carrier vehicle must contain at least one metal chelating group.

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一个或多个承运人的车辆部件必须至少包含一个金属螯合组。

One or more components of the carrier vehicle must contain at least one metal chelating group.

youdao