不可缺少

Joachim reassured him that he was needed.

乔基姆让放心，可缺少的。

Sorcerer and witch doctor,grigri and juju,are still an integral part of the African pattern.

巫师和巫医，护符和物神仍都非洲型态可缺少的部份。

Water is indispensable to plants.

水植物可缺少的。

He is indispensable to our work, we cannot do it without him.

对于我们的工作来, 可缺少的, 有, 我们就。

With the mobile and flexible feature, high definition rediffusion system would be very important equipment applied by people.

转播车作为灵活、机动的演播室,电视台可缺少的重要设备。

L-arginine is an imperative ingredient and material in producing compound amino acid injecta and composing other medicines.

精氨酸生产复方氨基酸注射液可缺少的成份，也进一步合成其它药物的重要氨基酸原料。

The ash matter of coal is one of main effect factors in various coal researches.In this paper, five methods of acid washing to deash coal were studied.

在对煤优化转化的各类研究中,灰分可缺少的影响因素之一。