The correct tightening is obtained by use of （） to measure the extension given to the bolts.
举一反三
- The correct tightening is obtained by use of （） to measure the extension given to the bolts. A: pressure gauges B: stretch gauges C: thermometers D: bridge gauge
- Use the correct forms of the given verbs to complete the sentences.___________(take) in time, the medicine will be quite effective.
- 将螺栓安装在正确的位置。 A: Install the bolts in the correct positions. B: Install the bolts in respective positions. C: Install the bolts in successful positions.
- Use the correct forms of the given verbs to complete the sentences.__________(drive) beyond the limits of their forbearance, they fought back.
- Which sequence is correct according to the procedure of PCR ?() A: denaturation → extension → annealing B: denaturation → annealing → extension C: annealing → denaturation→ extension D: Extension → annealing → denaturation