The interface between the liquid seal (water) and the oil should be positioned （） possible to the bowl periphery.

[名词解释] 液态金属密封 liquid metal seal

[单选题]A．n efficient seal between the cylinder block and cylinder heads on many diesel engines is obtained with________.A．graphite packingB．sealing compoundC．lubricating oilD．gaskets

[单选题]In a purifier, the interface between the liquid seal and the oil should be positioned as close as possible to （）.A . the outlet of oilB . the outlet of waterC . the bowl peripheryD . the center of bowl

[单选题]The position of the interface between oil and water within the centrifuge is achieved by the use of （）.A . gravity discB . centrifugal bowlC . a stack of discsD . main sealing ring

[单选题]The( )is a collection of modules serving as interface between hardware and

[主观题]物理层与层2的接口是『____』。(The interface between physical layer and layer 2 is 『____』.)

[单选题]The difference between “gentleman-in-waiting” and “journeyman” is that _____ .［A］ education trained gentleman-in-waiting to climb higher ladders［B］ journeyman was ready to take whatever was given to him［C］ gentleman-in-waiting belonged to a fixed and

[单选题]Mr. Luzaich created the seal to prevent the wine from declining with ______.A．neopreneB．visco-elastic polymerC．siliconD．argon

[单选题]“length；seal”正确的翻译为（）。A . 长度；销售B . 长度；封识C . 宽度；销售D . 宽度；封识

[单选题]Liquid semiconductor is used to _________.A． get rid of the radioactive wasteB． test the power of nuclear batteries.C． decrease the size of nuclear batteriesD． reduce the damage to lattice structure.