一架带有丹麦标记的飞机从他的船上空飞过。A plane with Danish markings was over-flying his vessel.他厉行节约地把这台机器的各种零件放进仔细标记的盒子里收好。He frugally saved various bits of the machine in carefully marked boxes.他在前面的草坪上丈量并标记出两个圆圈。He was on the front lawn...
医生们抱怨他们疲于应付医药公司的销售人员。Doctors are complaining about being barraged by drug-company salesmen.阿波罗是希腊神话中主管艺术 、 预言 、 医药和光明之神.Apollo was the Greek god of the arts, prophecy, medicine and light.灾区需用医药,急如星火.Medical aid must be s...
Results In normal fetus, the urorectal septum ( URS ) descended, its distance to cloacal membrane decreased gradually.结果 泄殖腔发育过程中,胎龄15d前 的正常鼠胚, 尿直肠隔将 泄殖腔 分为腹侧的尿生殖窦和背侧的直肠两部分, 二者共同相通于泄殖腔管....
Al - alloys have special requirements on MIG welding due to their unique physical and chemical properties.铝合金因其独特的物理、化学性能对MIG焊有特殊的要求.The study demonstrates that the laser - MIG hybrid welding is an effective welding proc...