Development of such distributed feedback heterostructure lasers requires crystal growth on corrugated layers.研制这种分布反馈双异质结构激光器要求在皱折层上生长出单晶层.We produce metal plates and corrugated sheets in different thicknesses.我们生产不同厚度的金...
ABS resin is a kind of thermoplastic resin with excellent allround properties.ABS树脂是一种综合性能优异的热塑性树脂.Thermoplastic and thermosetting substances are called plastics.热塑塑料和热固的物质称为塑料.They manufacture the class of plastics know...
他把信交给了贸工部。He passed the letters to the Department of Trade and Industry.哈里精心购置了礼物又仔细包好，让马克交给他们。Harry had carefully bought and wrapped presents for Mark to give them.法官本不该把案子交给陪审团来裁定。The judge should not have left it to t...
Subtracting current liabilities from current assets yields working capital.流动资产减去流动负债产生营运资本.Cash income is calculated by subtracting total trading income from total receipts.现金收入是从总收入中减去总贸易收入来计算的.When given a problem req...