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- An adjustable width vacuum zone option is ideal for varying web widths and helps maintain efficient, quiet operation. 可調寬度真空地帶選擇適合不同網(wǎng)絡(luò )帶寬，并有助于保持高效率，安靜的操作。
- Diangong Heat tube Vacuum tube heat collector. 電工太陽(yáng)能熱管真空管集熱器.
- Diangong Solar vacuum tube heat collector. 電工太陽(yáng)能真空管集熱器.
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸塵器都是借吸力工作的。
- The Norwegians live in a comparatively cold zone. 挪威人生活在比較寒冷的地區。
- Can all glass vacuum collector tube operate with water inletting? 全玻璃真空集熱管不能頂水運行嗎?
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活變得空虛。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活變得空虛。
- Some people are living in a vacuum. 有些人過(guò)著(zhù)與世隔絕的生活。
- A vacuum cleaner is a handy household tool. 吸塵器是一種使用方便的家庭用具。
- Supplies were parachuted into the earthquake zone. 救援物資已空投到地震區。
- The shop repairs vacuum cleaners. 這家店修理吸塵器。
- The porter turned off the vacuum. 清潔工關(guān)掉真空吸塵器。
- Some people live in Torrid Zone. 有些人生活在熱帶。
- I'd like to see Europe as a nuclear-free zone. 我希望歐洲成為無(wú)核區。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符號
- The troops detrained near the battle zone. 部隊在戰區附近下了火車(chē)。
- Sealed under low pressure or a partial vacuum. 抽空密封的在低壓或部分真空狀態(tài)下密封起來(lái)的
- They are pulling their troops out of the battle zone. 他們正把部隊調離戰區。
- They have declared their country a, nuclear-free zone. 他們宣布本國為無(wú)核區。
