【Daily Question】September 24: Among the following options, which control valve does not require direction selection? ? ?
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This post was last edited by yuzp000 on 2015-9-24 at 11:44. Daily question from the activity: (Single-choice question) Among the following options, which control valve does not require direction selection? ( ) A、Ball valve B、Single-seat valve C、High-pressure valve D、Sleeve valve A、Ball valve. Please participate actively to win prizes. +5 points for correct answers, +2 points for participation. One time per person only. Close this topic in two days.
Among the following options, the control valve that does not require direction selection is ( ball valve ).
Among the following options, the control valve that does not require direction selection is ( A ). A、Ball valve B、Single-seat valve C、High-pressure valve D、Sleeve valve
000000000000 A、Ball valve
Among the following options, the control valve that does not require flow direction selection is ( ). A. Ball valve
A. Ball valve! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
The option that does not require flow direction selection for the control valve is A