Gasification water - jacketed structure, self - produced vapor is used for gasification.气化段:采用全水套式结构, 自产蒸汽供炉底气化.Transfer lines for liquid helium should be well insulated and vacuum jacketed.用于液氦的转移管应该隔热良好和带有真空夹层.Tool use...
Unfortunately, Grandma always seems to awaken at awkward moments.不幸的是，奶奶好像总是醒来的不是时候。The British never awaken to peril until it is almost too late.英国人从来不懂得防患于未然。Old people awaken early in the morning.老年人早晨醒得早....