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1·If you are unsure of how to use any apparatus or how to operate, ask your teacher for help.

如果你不确定如何使用仪器或操作，请向老师寻求帮助。

2·So was born the echo-sounding apparatus, now in general use in ships.

这样就产生了目前各种船舶上普遍应用的回声探测仪。

3·Those made by his firm use advanced laser-fluorescence technology: more accurate, simpler, cheaper and more robust, he says, than the gas-chromatography apparatus in common use so far.

这些由他公司制造的机器使用先进的镭射-荧光技术：与至今为止通常使用的气体-色谱法设备相比，他说，这些更精确，更简单，更便宜而且更经用。

4·Each command within the vast Defense Department apparatus is given a series of two-letter groupings that they can use for their operations’ two-word sobriquets.

每一个由国防部大型作战行动命名设备决定的作战代号名称，都是由两个字母构成一个字母群再使其组成“两个单词构成的系列代号”。

5·Each command within the vast Defense Department apparatus is given a series of two-letter groupings that they can use for their operations' two-word sobriquets.

每一个由国防部大型作战行动命名设备决定的作战代号名称，都是由两个字母构成一个字母群再使其组成“两个单词构成的系列代号”。

6·Your membership fee is for use of the apparatus; it's not a maid service.

你支付的会员费是使用健身器械的费用，而不是请保姆打扫的费用。

7·Respiratory protective devices - Compressed air line breathing apparatus for use with a full face mask, half mask or a mouthpiece assembly - Requirements, testing, marking.

呼吸保护装置。与全罩式面罩、半罩式面罩或口罩一起使用的压缩空气导管呼吸装置。要求、试验和标志。

8·Let me tell you how to use this medical apparatus.

我来教您如何使用这个医疗器械。

9·This is a 1.5 m long hollow cylinder apparatus, can use the elevator shuttle to hydraulic excavator through food channel.

这是一根长1.5米的空心圆柱状设备，可以利用升降机穿梭于液压挖掘机打通的给养通道。

10·It is concluded that some attentions must be paid in the design, installation and use of flameproof electrical apparatus.

提出了隔爆型电气设备设计、安装、使用应注意的方面。