In this paper a series solution of spherical shallow shell with circular base is given.
本文中提供圆底球扁壳的一种级数解法。
Piping all of the channels in series is often the best solution.
在所有的通道里布置上冷却管常常是最好的方案。
Together with the original series of questions, so far still no proper solution.
再加上原有的一系列问题，迄今为止依然没有妥善的解决办法。
A new type phosphating solution of zinc series at low temperature was prepared.
研制了一种新型低温锌系磷化液。
A new type phosphating solution of zinc series at low temperature was prepared.
研制了一种新型低温锌系磷化液。
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