Firstly, based on the selecting of trigger methods' and ascertaining of the phase shift range of ac voltage-regulate soft starter, reliability of each trigger method is researched.
首先，从触发方案选择和移相范围的确定两方面出发，研究了各触发方案的可靠性。
The A302 Manual Starter is a 3-phase manual motor starter and protector with instantaneous magnetic short circuit trip mechanism.
A302手动起动器是三相手动电动机起动器和保护装置，带有瞬间磁性短路跳闸机制。
At starter phase, probiotics can improve spleen index, bursa F index and cecal tonsils area.
试验前期，益生素能提高法氏囊、胸腺指数，增大盲肠扁桃体面积。
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