三道机械密封防止介质的泄漏，同时泵内部的高度抛光降低了对形成的聚合物链的损害。
A sophisticated triple mechanical seal system prevents leakage of the pumped fluid whilst highly polished pump internals minimize damage to the forming polymer chains.
为了进行观察和拆卸，每台泵都应该配置一条具有适当强度和长度的(不锈钢缆或不锈钢链)来将泵提升起来。
Each pump shall be fitted with a (stainless steel cable or stainless steel chain) of adequate strength and length to permit raising the pump for inspection and removal.
NADH分子在降低电子传递链时产生了电子，激活了三个质子泵通道。
The electrons contributed by NADH molecules passed down the electron transport chain, activating three proton-pumping channels.
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