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The certification is invalid without the signature of appraiser , checker and approver.鉴定书无主检、审核、批准签字无效.Check list ( quality specification ) has been signed by the controller ( inspector, checker ).检验单 ( 质量说明书 ) 已由管理员 ( ...
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checker的第三人称单数（三单）为：checkers...
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checker的音标：checker的英式发音音标为：['tʃekə(r)]checker的美式发音音标为：['tʃɛkɚ]...
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checker的复数形式为：checkers...
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Check list ( quality specification ) has been signed by the controller ( inspector, checker ).检验单 ( 质量说明书 ) 已由管理员 ( 检查员 、 审核人 ) 签字.I am the official checker of the new things to be checked.我就是那些不明事物的安全检查官.The certificati...
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checker的现在进行时为：checkering...
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checker的一般过去时为：checkered...