Place the plate in a chamber containing ammonia vapour.此句的意思是将层析板（ ）。

A．置于密室中

B．喷氨水溶液

C．置于氨水溶液中

D．置于含氨蒸气的密闭容器中

E．以上都不对

[单选题]The crank chamber oil （）.A . can be recoveredB . is only supplied to cylindersC . only feeds the main bearingD . is a kind of detergent

[名词解释] 实地（Solid plate）

[单选题]In the combustion chamber, the part whose surface is exposed to the highest temperature is the （）.A . cylinder linerB . cylinder coverC . pistonD . exhaust valve

[单选题]The （） chamber is enclosed between the cylinder head and piston.A . lubricationB . injectionC . coolingD . combustio

[名词解释] cysteine-containing aspartate-specific proteases，caspase (天冬氨酸特异性半胱氨酸蛋白酶)

[单选题]The bed-plate is secured in the longitudinal direction by means of bolts known as （）.A . end-chock boltsB . side-chock boltsC . through boltsD . tie rod

[单选题]A-frames are mounted on the bed plate and support （） and cylinder block.A . the main bearingB . the cylinder coverC . the entablatureD . the sum

[名词解释] 英译中：Number plate

[名词解释] 涂布平板法（spread plate method）

[名词解释] 稀释倒平板法（pour plate method）