艾尔之光艾拉有哪些职业,分别是什么,各职业求介绍,还有转什么好,说下理由,谢谢 好的给分

艾尔之光艾拉

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  • 皮卡丘红红脸蛋 皮卡丘红红脸蛋

    ipxxd 定义:**防护等级
    in respect of protection against electric shock,reference ** made in the iee wiring regulations to ipxxb and ipxxd as alternatives to ip2x and ip4x respectively.
    b if a standard test finger 80mm long and 12mm in diameter can enter the enclosure there will be adequate clearance from live parts
    防止80mm长度,直径12mm的测试手指接触。d if a probe 100mm long and 1mm in diameter can enter the enclosure there will be adequate clearance from live parts
    防止100mm长度,直径1mm 测试手指接触。ipxxd测试方法:
    test for ipxxd
    a probe ** required.the probe cons**ts of an insulated handle about 100 mm long and about 10 mm in diameter which ends in an insulated sphere(stop face)of 35±0.2 mm diameter.on the opposite side of the sphere ** a metal rod 100 mm long and 1
    0.05-0 mm in diameter.the live parts in the enclosure are connected together with wire and connected in series with a lamp,a suitable elv supply and the 1mm diameter metal rod of the probe.
    the tip of the metal rod ** pressed gently against the opening.if the rod goes in there must be adequate clearance between the rod and the live parts i.e.the lamp should not light up.tests must be made with the rod in all possible positions.the lamp must not light up.
    the full diameter of the insulated sphere(stop face)must not be able to pass through the opening.

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