A、not be put into operation too early
B、be pay adequate attention to
C、be used only when necessary
D、be coated with certain material
更多“All items such as steam pipes, exhaust pipes and fittings which, because of their location and operating temperature, present a hazard should be adequately lagged.That means the items should（）”相关的问题
A、DECLARE GLOBAL TEMPORARY TABLE tracker AS (SELECT item_no, item_name FROM items) WITH NO DATA ON COMMIT PRESERVE ROWS ON DISCONNECT DROP TABLE B、DECLARE GLOBAL TEMPORARY TABLE tracker AS (SELECT item_no, item_name FROM items) WITH NO DATA ON COMMIT PRESERVE ROWS C、CREATE TABLE systmp.tracker AS (SELECT item_num, item_name FROM items) WITH NO DATA ON COMMIT PRESERVE ROWS D、CREATE TABLE tracker AS (SELECT item_num, item_name FROM items) ON COMMIT PRESERVE ROWS ON DISCONNECT DROP TABLE
A、Advanced call-handling software, such as Cisco Unity B、Call-management hardware and software, such as CiscoCallManager C、Client-based software, such as CiscoSoftPhone D、Voice gateways, such as the Cisco VG248 Analog Phone Gateway
A、A.Client-based software, such as CiscoSoftPhone B、B.Voice gateways, such as the Cisco VG248 Analog Phone Gateway C、C.Call-management hardware and software, such as CiscoCallManager D、D.Advanced call-handling software, such as Cisco Unity
A、storing all items in an assigned place B、storing all items in a common storage container except those ready-for-sea C、tagging all items according to their age and then storing them together D、disposing of worn-out items
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