求翻译：2.8 用万用表及兆欧表在防爆配电箱处安步骤3再次检测，（同时在接线端子处检查的电气性能）。确认无误后，拧紧防爆配电箱的所有螺母。是什么意思？

2.8 with a multimeter and megger in explosion-proof distribution box at the security steps detected again (at the terminal to check the electrical properties). Verified, tighten all nuts tight explosion-proof distribution box.

A table with 10,000 2.8 and the Power Distribution Box in an explosion at the step 3 again (while at the terminals of electrical performance. After you confirm that this is an explosion, and tighten all nuts in power distribution box.

正在翻译，请等待...

2.8 with a multimeter and megohmmeter step 3 test again at the explosion-proof power distribution boxes, (while checking electrical performance at the terminals). After verification, tighten all nuts explosion-proof power distribution boxes.

2.8 uses the avonmeter and the megameter 3 examines once more in the explosion-proof distributing box place peaceful step, (at the same time in binding clamp place inspection electrical specification).After confirmed unmistakable, screws tight the explosion-proof distributing box all nuts.