【Daily Question】 October 19th What is the gas alarm hotline? ? ? ? ? ?
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One daily activity question (multiple-choice question): What is the gas prevention emergency phone number? A、114 B、119 C、120 D、123 D、123 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.
For fire and gas emergencies, call 119; for emergency medical assistance, call 120.
The gas alarm hotline is ( ). B A, 114 B, 119 C, 120 D, 123
Increase the flow velocity of the shell-side fluid to enhance turbulence and thereby improve the shell-side convective heat transfer coefficient.
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The gas alarm phone number is (b). A、114 B、119 C、120 D、123
The gas alarm phone number is (B).
Question (single-choice): The gas prevention alarm phone number is (D, 123). A、114 B、119 C、120 D、123
Question (single-choice): The gas prevention emergency phone number is (B, 119). A、114 B、119 C、120 D、123
B, 119 B, 119 B, 119