One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； September 3rd
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True or False: The dispersant feeding pump is a multi-stage pump, with its bearings at both ends cooled by water; it is not necessary to check whether the cooling water pipes are open before starting the pump. ( ) Answer: Incorrect
The dispersant feeding pump is a multi-stage pump, with water-cooled bearings at both ends; there is no need to check whether the cooling water pipes are open before starting the pump. ( X )
The dispersant feeding pump is a multi-stage pump, with water-cooled bearings at both ends; there is no need to check whether the cooling water pipes are open before starting the pump. ( x )
The dispersant feeding pump is a multi-stage pump, with water-cooled bearings at both ends; there is no need to check whether the cooling water pipes are open before starting the pump. ( Wrong )