能够完全匹配字符串“c: apidminerlibplugs”的正则表达式包括 A: “c: apidminerlibplugs” B: “c:\rapidminer\lib\plugs” C: “(?i)C:\RapidMiner\Lib\Plugs” D: “(?s)C:\RapidMiner\Lib\Plugs”

Fusible plugs are installed in fire-tube boilers to （）.

1. The high voltage surges necessary to produce the sparks at the spark plugs are____ by the ignition system components.

The high voltage the gaps in the spark plugs, producing the sparks that ignite the mixture in the engine cylinders. A: breakout B: jumps C: builds D: breakdown

Ceramics<br/>are used in a wide range of technologies such as,(),<br/>etc. A: sensors B: dielectrics<br/>in capacitors, C: spark<br/>plugs D: refractories

After launching, an inflatable raft should be kept dry inside by ___. A: opening the automatic drain plugs B: draining the water pocket C: using the electric bilge pump D: using the bailers and cellulose sponge

Safety measures for toddlers are the following except A: Gates across stairways B: Do not place pillows in crib C: Safety plugs in electrical outlets D: Position pot and cup handles away from edges so child cannot reach

Which of the following should not be classified as inventory in the A: Pickup<br/>trucks offered for sale. B: Used<br/>cars taken in trade and offered for sale on the company's used-car<br/>lot. C: Spark<br/>plugs, oil filters, and other parts which are intended for use by the<br/>service department in repairing and servicing customers' cars. D: "Company<br/>cars" provided to specific company executives for their personal<br/>use.

Which one is TRUE in the following descriptions about the ignition system of CFM56-3 engine? ( ) A: There is no need to provide cooling air around the ignition leads to decrease temperature B: The Low-energy exciter output is 1 spark per second, 1 joules per spark. C: Only need one gasket controls the depth the igniter plugs go into the combustion chamber. D: Do not apply grease to the threads on the ignition lead end of the igniter plug.