position indicator

基本解釋

Observe the mechanical/electrical switch position indicator.
觀察接地開(kāi)關(guān)機(jī)械/電氣位置指示；
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A floorstand for handwheel actuated valves allows operation from above. Included is handwheel, non-rising stem, fittings, extension, and floorstand with gate position indicator.
用于手輪執(zhí)行器閥門(mén)上的地軸承架可以在上方對(duì)閥門(mén)進(jìn)行操作，包括手輪，暗桿，連接件，加長(zhǎng)件，以及帶閘板位置指示器的地軸承架。
Each block of output code within a repeated sequence has its own internal position indicator, and any control within such a block can access that indicator through the index() XPath extension.
重復(fù)序列中的每個(gè)輸出代碼塊都有自己的內(nèi)部位置指示符，代碼塊中的任何控件都可以通過(guò) XPath 擴(kuò)展 index() 訪(fǎng)問(wèn)這個(gè)指示符。

In my book, this is a lagging indicator, and as such is only used as confirmation of a position that I am already in.
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