其他主要原因包括干旱和寒冷气候条件。
在寒冷气候条件下，洋葱可能需要14- 15小时日照才能形成鳞茎。
In cooler climates, Onions may need fourteen to fifteen hours of daylight to start forming bulbs.
寒冷气候条件下机车柴油机使用低标号柴油是铁路节能降耗、提高经济效益的有效途径。
It is an efficacious method that inferior brand diesel oil is used on locomotive diesel engine in cold weather to economize energy sources and increase economic benefit.
寒冷气候条件下机车柴油机使用低标号柴油是铁路节能降耗、提高经济效益的有效途径。
It is an efficacious method that inferior brand diesel oil is used on locomotive diesel engine in cold weather to economize energy sources and increase economic benefit.
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