One question per day, the correct answer will be rewarded with 6 wealth, and the participant will be rewarded with 2 wealth； April 21
Thread Content
Multiple choice questions: The liquid level height of the calcium carbide acetylene generator is ( ) the height of the upper end of the overflow pipe, ( ) the oscillator material barrel is above 150mm. A. Greater than, lower than B. Equal to higher than C. Less than higher than D. Equal to lower than answer: B. equal to or higher than
The liquid level height of the calcium carbide acetylene generator is (equal to) the height of the upper end of the overflow pipe and (higher than) 150mm above the oscillator material barrel. A. Greater than, lower than B. Equal to higher than C. Less than higher than D. Equal to lower than