first sample短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 un.首件检验;🌏初样;第一阶段样本;初办 The paper mainly elaborates the first sample of heavy equipped vehicle, in the course of its research, detecting and taking measures for the quality problem of creeper attachment split. 本文主要论述了重型装备运输车初样车,在研制过程中出现缓行器开裂质量问题的发现及解决措施。 dictall