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The transformers are varnish impregnated for quiet operation and are supplied with two primary fuses and one secondary fuse.
这些变压器经过清漆浸泡，运行宁静，并配置两个主保险丝和一个次保险丝。
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The other male gamete fuses with the secondary nucleus, forming the primary endosperm nucleus.
另一个雄配子和次生核结合形成初生胚乳核。
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