（） device is provided to prevent starting air from being admitted to the cylinder before the reversing is completed.

[单选题]To prevent excessive __ in the transverse girders, the tie bolts are positioned as close to the center of the crankshaft as possibleA．thermal stressesB．bending momentsC．thermal loadsD．surface tensions

[单选题]To prevent excessive __ in the transverse girders, the tie bolts are positioned as close to the center of the crankshaft as possibleA．thermal stressesB．bending momentsC．thermal loadsD．surface tensions

[单选题]Flow control is a function that prevents network congestion by ensuring that (71) do not overwhelm (72) with datA．There are three commonly used methods for handling network congestion ． (73) is used by network devices to temporarily store bursts of e

[试题]Theytook________measurestopreventpoisonousgasesfromescaping.A．)fruitfulB)beneficialC．)validD)effective

[单选题]The ability of the governor to prevent fluctuations in engine speed is termed （）.A . sensitivityB . stabilityC . promptnessD . speed droo

[单选题]( )：The capability provided to the consumer is to use the provider’s applications runningon a cloud infrastructure,The applications are accessible from various client devicesthrough either a thin client interface, such as a web browser (e.g.,web-base

[单选题]The cylinder cover is not provided with ( )A．fuel valveB．the starting valveC．lubricator

[单选题]The cylinder cover is not provided with （）.A . fuel valveB . lubricatorC . indicator valveD . the starting valve

[试题]The robots are used to prevent human personnel from______(expose)to radiation.

[单选题]F．ire dampers prevent the fire spreading through the process ofA．convectionB．conductionC．radiationD．direct contact